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Keyword: panspermia

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  • World's largest radio telescope takes shape, to decode cosmic message

    07/04/2016 9:19:55 AM PDT · by BenLurkin · 25 replies
    Xinhua ^ | | 2016-07-03 21:27:40
    Installation was completed on the world's largest radio telescope on Sunday morning as the last of 4,450 panels was fitted into the center of the big dish. ... In the first two or three years after its completion, the telescope will undergo further adjustment, and during that period Chinese scientists will use it for early-stage research. After that, it will be open to scientists worldwide, said Peng Bo, director of the NAO Radio Astronomy Technology Laboratory. Scientists can also carry out remote control and observation in other cities such as Beijing, more than 2,000 kilometers from the telescope site, said...
  • Mysterious Martian "Cauliflower" May Be the Latest Hint of Alien Life

    02/05/2016 1:23:16 PM PST · by BenLurkin · 13 replies
    smithsonianmag.com ^ | 02/01/2016 | Sarah Scoles
    The hunt for signs of life on Mars has been on for decades, and so far scientists have found only barren dirt and rocks. Now a pair of astronomers thinks that strangely shaped minerals inside a Martian crater could be the clue everyone has been waiting for. In 2008, scientists announced that NASA's Spirit rover had discovered deposits of a mineral called opaline silica inside Mars's Gusev crater. That on its own is not as noteworthy as the silica's shape: Its outer layers are covered in tiny nodules that look like heads of cauliflower sprouting from the red dirt. No...
  • Curiouser And Curiouser: NASA's Curiosity Rover Finds Piles Of Silica On Mars

    12/19/2015 4:50:10 PM PST · by BenLurkin · 37 replies
    NPR ^ | 12/18/2015 | Bill Chappell
    In a finding that suggests "considerable water activity" on Mars, NASA says its Curiosity rover has found very high concentrations of silica on the red planet. The agency says it also found "a mineral named tridymite, rare on Earth and never seen before on Mars." The discoveries took place on Mount Sharp, where Curiosity drilled into a rock called "Buckskin" to find the tridymite, and where it used its "ChemCam" laser to measure high silica levels. The odd findings led researchers to take the rare step of ordering Curiosity to retrace its path to learn more. Explanations for the high...
  • NASA's Mars Rover Found Mysterious Growths On Mars That Could Be The Biggest Discovery In Science

    02/05/2016 12:46:49 AM PST · by blam · 42 replies
    BI ^ | 2-5-2016
    NASA's Spirit Mars Rover Found Mysterious Growths On Mars That Could Be The Biggest Discovery In Science Jennifer Deal February 5, 2016 Four billion years ago, Mars looked a lot like Earth does today. So it's not surprising that a team of scientists believe that they may have discovered the first signs of ancient alien life on the planet.(click to the site to see the video)
  • Scientists Debate Signatures of Alien Life

    02/03/2016 7:23:06 PM PST · by LibWhacker · 19 replies
    Quanta Magazine ^ | 2/2/16 | Natalie Wolchover
    Scientists Debate Signatures of Alien Life Searching for signs of life on faraway planets, astrobiologists must decide which telltale biosignature gases to target. Photo illustration by Olena Shmahalo/Quanta Magazine February 2, 2016 Comments (5) Share this: facebooktwitterredditmail PDF Print Huddled in a coffee shop one drizzly Seattle morning six years ago, the astrobiologist Shawn Domagal-Goldman stared blankly at his laptop screen, paralyzed. He had been running a simulation of an evolving planet, when suddenly oxygen started accumulating in the virtual planet’s atmosphere. Up the concentration ticked, from 0 to 5 to 10 percent.“Is something wrong?” his wife asked.“Yeah.”The rise of...
  • The Fermi Paradox Is Not Fermi's, and It Is Not a Paradox

    02/02/2016 1:30:21 AM PST · by LibWhacker · 81 replies
    Scientific American ^ | 1/29/16 | Robert H. Gray
    Two big ideas often come up in discussions about the search for extraterrestrial intelligence, or SETI. One is the Drake Equation, which estimates the number of civilizations in our Galaxy whose signals we might be able to detect--potentially thousands, according to plausible estimates. The other is the so-called Fermi paradox, which claims that we should see intelligent aliens here if they exist anywhere, because they would inevitably colonize the Galaxy by star travel--and since we don't see any obvious signs of aliens here, searching for their signals is pointless. The Drake Equation is perfectly genuine: it was created by astronomer...
  • ...Antarctic fungi survives Martian conditions...strapped outside the space station for 18 months

    01/28/2016 6:28:56 PM PST · by BenLurkin · 9 replies
    daily mail uk ^ | 01/25/2016 | cheyenne macdonald
    After a year-and-a-half long voyage aboard the International Space Station, a group of fungi collected from Antarctica has proven its ability to withstand harsh, Mars-like conditions. More than half of the cells remained intact over the course of the 18-month study, providing new insight for the possibility of life on Mars. These fungal samples, along with lichens from Spain and Austria, have allowed European researchers to assess the survivability and stability of microscopic lifeforms on the red planet. The tiny fungi taken from Antarctica are typically found in the cracks of rocks in this dry, hostile region. Scientists took samples...
  • Stephen Hawking announces $100 million hunt for alien life

    07/20/2015 5:36:42 PM PDT · by 2ndDivisionVet · 50 replies
    The Washington Post's Speaking of Science ^ | July 20, 2015 | Rachel Feltman
    On Monday, famed physicist Stephen Hawking and Russian tycoon Yuri Milner held a news conference in London to announce their new project: injecting $100 million and a whole lot of brain power into the search for intelligent extraterrestrial life, an endeavor they're calling Breakthrough Listen. "We believe that life arose spontaneously on Earth," Hawking said at Monday's news conference, "So in an infinite universe, there must be other occurrences of life." Geoffrey Marcy, a University of California, Berkeley, astronomer who found most of our first exoplanets, also spoke at the event as part of the group's brain trust....
  • A $100 Million Infusion for SETI Research (two parts: Breakthrough Listen and Breakthrough MESSAGE)

    07/20/2015 5:02:44 PM PDT · by LibWhacker · 13 replies
    Centauri Dreams ^ | 7/20/15 | Paul Gilster
    A $100 Million Infusion for SETI Researchby Paul Gilster on July 20, 2015 SETI received a much needed boost this morning as Russian entrepreneur Yuri Milner, along with physicist Stephen Hawking and a panel including Frank Drake, Ann Druyan, Martin Rees and Geoff Marcy announced a $100 million pair of initiatives to reinvigorate the search. The first of these, Breakthrough Listen, dramatically upgrades existing search methods, while Breakthrough Message will fund an international competition to create the kind of messages we might one day send to other stars, although the intention is also to provoke the necessary discussion and debate...
  • Search for extraterrestrial intelligence gets a $100-million boost

    07/20/2015 3:24:26 PM PDT · by LibWhacker · 23 replies
    Nature ^ | 7/20/15 | Zeeya Merali
    Russian billionaire Yuri Milner announces most comprehensive hunt for alien life.You could say that the silence has been deafening. Since its beginnings more than half a century ago, the dedicated search for extraterrestrial intelligence (SETI) has failed to detect the presence of alien civilizations. But at Londons Royal Society today (20 July), Russian billionaire Yuri Milner announced a shot in the arm for SETI: a US$100-million decadal project to provide the most comprehensive hunt for alien communications so far. The initiative, called Breakthrough Listen, will see radio telescopes at Green Bank in West Virginia, the Parkes Observatory in Australia, and...
  • Russian Entrepreneur Pledges $100 Million in Search for Extraterrestrial Life

    07/20/2015 3:15:30 PM PDT · by lbryce · 12 replies
    .Entrepreneur ^ | July 20, 2015 | Nina Zipkin
    Is there anyone else out there in the universe? The endeavor to answer that eternal question got a serious shot in the arm this week thanks to Russian entrepreneur Yuri Milner. At the Royal Society in London, the billionaire announced the launch of Breakthrough Listen, a 10-year, $100 million initiative to search for signs of extraterrestrial life. Related: The Power of Planning: NASA's Pluto Flyby Was Epic and Amazing Aided by the Robert C. Byrd Green Bank Telescope in W. Va., the CSIRO Parkes Telescope in New South Wales, Australia and the Lick Telescope in at the Lick Observatory in...
  • Don't Believe the Hype About Life on Philae's Comet

    07/07/2015 10:57:21 AM PDT · by C19fan · 11 replies
    Popular Mechanics ^ | July 6, 2015 | Eric Limer
    You may be hearing some exciting news about comet 67P/Churyumov-Gerasimenko, the place where the Philae lander woke up last month. Astronomer and astrobiologist Chandra Wickramasinghe says that the comet's core might harbor singled-celled extremophile life! But while he could be right, you should take his comments with a comet-sized grain of salt. Wickramashinghe and his colleague Max Wallis made a case for a life-filled comet at this year's Royal Astronomical Society's National Astronomy Meeting in Llandudno, Wales. Wickramasinghe's theory is tied mostly to the cosmic ice ball's structure and black crust. According to Wickramasinghe:
  • Alien Life On Philae Comet, Scientists Say

    07/06/2015 5:10:49 PM PDT · by 2ndDivisionVet · 59 replies
    Sky News ^ | July 6, 2015
    Experts discover dark material is being constantly replenished and say: "Something must be doing that at a fairly prolific rate."Evidence of alien life is "unequivocal" on the comet carrying the Philae probe through space, two leading astronomers have said. The experts say the most likely explanation for certain features of the 67P/Churyumov-Gerasimenko comet, such as its organic-rich black crust, is the presence of living organisms beneath an icy surface. Rosetta, the European spacecraft orbiting the comet, is also said to have picked up strange "clusters" of organic material that resemble viral particles. But neither Rosetta nor its lander probe, Philae,...
  • Is This Picture a 'Seed' Sent to Earth by Aliens? Scientists Discover Mysterious Organism

    03/01/2015 1:26:58 PM PST · by lbryce · 107 replies
    SundayExpress ^ | January 25, 2015 | Nathan Rao
    Some scientists believe this is a seed sent to earth by aliens The never-before seen image shows a microscopic metal globe spewing out biological material feared to be an infectious agent. Though the origin or purpose of the mysterious sphere is uncertain, experts say it could contain genetic material - the precursor to life. They sensationally claim it could have been designed by an intelligent species to seed and propagate alien life on Earth. It is the first time anything like this has been seen and points not only to the existence of extra-terrestrial life, but to complex and...
  • Cosmic Impacts May Have Seeded Early Earth with Ingredients for Life

    01/24/2015 6:09:58 PM PST · by Ernest_at_the_Beach · 38 replies
    space.com Astrobiology Magazine ^ | | January 20, 2015 03:37pm ET | By Charles Q. Choi, Astrobiology Magazine
    A picture of the gun used in the experiments. The big white box at the left end of the gun is where the target is stored. Credit: Impact Laboratory, University of Kent Bullets of ice shot at high speeds can deposit organic compounds on surfaces they strike. New findings suggest that comets might, indeed, have helped deliver key ingredients of life to Earth and perhaps elsewhere, researchers say. The scientists detailed their findings in the June 13 issue of the journal Astrobiology.Craters on the moon are evidence that the Inner Solar System was prone to giant impacts from asteroids...
  • Strange Comet Discoveries Revealed by Rosetta Spacecraft

    01/23/2015 7:39:21 AM PST · by BenLurkin · 54 replies
    Space.com ^ | January 22, 2015 02:03pm ET | Miriam Kramer,
    Researchers working with Rosetta have found that the comet harbors organic compounds, carbon-based molecules that are sometimes known as the chemical building blocks of life. This marks the first time organic molecules have been detected on the surface of a comet's nucleus, according to Fabrizio Capaccioni, the principal investigator of the VIRTIS instrument on Rosetta. The northern hemisphere of the comet's nucleus is also filled with dunes and ripples that look somewhat like geological markings on Earth, Mars and Venus. Comet 67P/C-G doesn't have a robust atmosphere and high gravity like those planets, and yet it still has structures resembling...
  • NASA Rover Finds Active and Ancient Organic Chemistry on Mars

    12/16/2014 4:22:20 PM PST · by Islander7 · 23 replies
    JPL ^ | Dec 16, 2014 | Staff
    NASA's Mars Curiosity rover has measured a tenfold spike in methane, an organic chemical, in the atmosphere around it and detected other organic molecules in a rock-powder sample collected by the robotic laboratory's drill. "This temporary increase in methane -- sharply up and then back down -- tells us there must be some relatively localized source," said Sushil Atreya of the University of Michigan, Ann Arbor, a member of the Curiosity rover science team. "There are many possible sources, biological or non-biological, such as interaction of water and rock."
  • Astronomy Picture of the Day -- The Mysterious Methane of Mars

    12/24/2014 5:19:45 AM PST · by SunkenCiv · 4 replies
    NASA ^ | December 22, 2014 | (see photo credit)
    Explanation: What's creating methane on Mars? Recent measurements from the robotic Curiosity rover currently rolling across Mars indicate a surprising 10-fold increase in atmospheric methane between measurements only months apart. Life is a major producer of methane on Earth, and so speculation is rampant that some sort of life -- possibly microbial life -- is creating methane beneath the surface of Mars. Other possibilities do exist, though, with a leading model being the sudden release of methane produced by the mixing of specific soil chemicals with underground water. Proposed origins of Martian methane are depicted in the featured illustration. The...
  • What Would Aliens Actually Look Like? We Asked 7 Experts

    08/15/2014 5:37:29 PM PDT · by EveningStar · 72 replies
    Popular Mechanics ^ | August 7, 2014 | John Brandon
    Movies and TV shows would have us believe aliens would look a bit like us, only with a big (bald) head, green skin, and crazy eyes. But we weren't satisfied with that old cliche. So we decided to ask sci-fi authors, science experts, and ET buffs what they think a real alien might look like.
  • Gamma Ray Bursts Limit The Habitability of Certain Galaxies, Says Study

    12/11/2014 2:59:54 PM PST · by BenLurkin · 27 replies
    universetoday.com ^ | on December 11, 2014 | by Vanessa Janek
    In fact, according to the authors of the new paper, there is a 90% chance that a GRB powerful enough to destroy Earths ozone layer occurred in our stellar neighborhood some time in the last 5 billion years, and a 50% chance that such an event occurred within the last half billion years. These odds indicate a possible trigger for the second worst mass extinction in Earths history: the Ordovician Extinction. This great decimation occurred 440-450 million years ago and led to the death of more than 80% of all species.