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Explanation: Galaxies of the Virgo Cluster are scattered across this nearly 4 degree wide telescopic field of view. About 50 million light-years distant, the Virgo Cluster is the closest large galaxy cluster to our own local galaxy group. Prominent here are Virgo's bright elliptical galaxies from the Messier catalog, M87 at bottom left, and M86 and M84 near center right. M86 and M84 are recognized as part of Markarian's Chain, the visually striking line-up of galaxies on the that runs through the upper portion of this frame. Near the middle of the chain lies an intriguing interacting pair of galaxies,...

How can we get ahold of some space miso now?Key Points -Scientists studied miso fermentation on the ISS versus Earth to understand how space conditions affect flavor, texture, and microbial composition. -Space-fermented miso developed a darker color and a “nutty” and “roasted” flavor, likely due to higher temperatures and increased pyrazine levels. -The research highlights how microbes adapt in space and raises ethical questions about relocating Earth-based life, while also suggesting new culinary possibilities for long-term space missions. Astronauts aboard the International Space Station (ISS) do a lot of important work to help advance science, including experiments and research to...

Scientists may be getting closer than ever to answering the question of whether we are alone in the universe. According to The New York Times, a team of astronomers now claims to have found the strongest indication yet for extraterrestrial life. The location in question is a giant planet known as K2-18b, which orbits a star 120 light-years away. Repeated analyses of the planet’s atmosphere have found a high concentration of a molecule that, on Earth, is produced exclusively by living organisms like marine algae. “It is in no one’s interest to claim prematurely that we have detected life,” said...

Explanation: What created the unusual halo around the Cat's Eye Nebula? No one is sure. What is sure is that the Cat's Eye Nebula (NGC 6543) is one of the best known planetary nebulae on the sky. Although haunting symmetries are seen in the bright central region, this image was taken to feature its intricately structured outer halo, which spans over three light-years across. Planetary nebulae have long been appreciated as a final phase in the life of a Sun-like star. Only recently however, have some planetaries been found to have expansive halos, likely formed from material shrugged off during...

Though men were the first to reach for the stars, science has proven definitively that women are far better suited to the task. Consider the evidence. Here are ten reasons women make better astronauts than men: They look so cute in their little space outfits: Science has proven that girl astronauts look way cuter in little space outfits. Men could never pull this off. Space is a vacuum and women love vacuums: For cleaning. If you time the mission right, they're all in good moods and super cooperative: But if your timing is off... God help you. They need...

Explanation: What happens when a star runs out of nuclear fuel? For stars like our Sun, the center condenses into a white dwarf while the outer atmosphere is expelled into space to appear as a planetary nebula. The expelled outer atmosphere of planetary nebula NGC 1514 appears to be a jumble of bubbles -- when seen in visible light. But the view from the James Webb Space Telescope in infrared, as featured here, confirms a different story: in this light the nebula shows a distinct hourglass shape, which is interpreted as a cylinder seen along a diagonal. If you look...

The thought of Earth’s final day may seem distant, even unreal, but we know it will inevitably happen. Now a group of scientists working for NASA together with researchers from the University of Tōhō in Japan have calculated a timeline for the complete extinction of all life on Earth. According to this calculations – which have been made possible by advanced mathematical models powered by supercomputers -, survival on planet Earth will be impossible in about 1 billion years, when conditions become too extreme for life as we know it. So yes, we still have a few more years to...

A dramatic twist in cosmic storytelling: A Jupiter-sized planet didn’t get swallowed by an expanding red giant, as astronomers once believed. Instead, NASA’s James Webb Space Telescope uncovered that the planet spiraled inward over time, ultimately plunging into its star in a fiery cosmic demise. Credit: NASA, ESA, CSA, Ralf Crawford (STScI) ********************************************************************** Lingering Brightness Provides Evidence for How the Planet Met Its Demise Each year, scientists from around the world compete for a chance to use NASA’s James Webb Space Telescope. Proposals go through a rigorous review process, and approved projects are added to Webb’s observation schedule, which is...

According to the experts at NOAA’s Space Weather Prediction Center, two coronal mass ejections (CMEs) are en route to Earth, and they could be bringing a glowing gift: a potential auroral display reaching farther south than usual—possibly lighting up skies over parts of the northern U.S., like New York and Idaho. This space weather alert is tied to a rare solar double feature: two magnetic filament eruptions that launched CMEs from the Sun over the weekend. If both CMEs arrive on Earth close together, as forecast, we could be looking at G2-class (moderate) geomagnetic storm conditions on Wednesday. ... According...

Explanation: What's happening at the center of our galaxy? It's hard to tell with optical telescopes since visible light is blocked by intervening interstellar dust. In other bands of light, though, such as radio, the galactic center can be imaged and shows itself to be quite an interesting and active place. The featured picture shows an image of our Milky Way's center by the MeerKAT array of 64 radio dishes in South Africa. Spanning four times the angular size of the Moon (2 degrees), the image is impressively vast, deep, and detailed. Many known sources are shown in clear detail,...

This artist’s impression illustrates the mechanism that could be at the origin of the powerful bursts of X-ray light seen from a newly awakened black hole named Ansky. Credit: ESA A mysterious black hole in a distant galaxy just woke up after decades of silence—and it’s putting on a cosmic light show! **************************************************************************** ESA’s XMM-Newton and other X-ray telescopes are capturing massive bursts of energy known as quasiperiodic eruptions (QPEs) that defy current theories. Unlike anything seen before, these powerful flashes may be rewriting the rulebook on how black holes behave, evolve, and interact with their surroundings. XMM-Newton Observes Rare...

Explanation: What created this unusual hole in Mars? Actually, there are numerous holes pictured in this Swiss cheese-like landscape, with all-but-one of them showing a dusty, dark, Martian terrain beneath evaporating, light, carbon dioxide ice. The most unusual hole is on the upper right, spans about 100 meters, and seems to punch through to a lower level. Why this hole exists and why it is surrounded by a circular crater remains a topic of speculation, although a leading hypothesis is that it was created by a meteor impact. Holes such as this are of particular interest because they might be...

Explanation: Most of us watch the Moon at night. But the Moon spends nearly as many daylight hours above our horizon, though in bright daytime skies the lunar disk looks pale and can be a little harder to see. Of course in daytime skies the Moon also appears to cycle through its phases, shining by reflected sunlight as it orbits our fair planet. For daytime moonwatchers, the Moon is probably easier to spot when the visible sunlit portion of the lunar disk is large and waxing following first quarter or waning approaching its third quarter phase. And though it might...

Explanation: Made with a telescope shaded from bright sunlight by an umbrella, on April 5 a well-planned video captured a crescent Venus shining in clear daytime skies from Shoreline, Washington, USA at 11:57AM Pacific Time. It also caught the International Space Station in this single video frame. In close conjunction with the bright planet, the faint outline of the orbital outpost seen at a range of about 400 kilometers appears to be similar in size to the slender planetary crescent. Of course the ISS is much smaller than Venus. Now appearing as planet Earth's brilliant morning star and climbing above...

Martian dust may be more harmful to astronauts than the trip itself. (Photo by StudyFinds on Shutterstock AI Generator) ********************************************************************* In a nutshell Martian dust poses serious health risks, especially to astronauts’ lungs, with particles small enough to penetrate deep into the respiratory system and potentially cause irreversible diseases like silicosis and aplastic anemia. The dust is chemically hazardous, containing reactive compounds like perchlorates, silica, nanophase iron, and trace toxic metals that can disrupt thyroid function, damage tissues, and even increase infection risk due to weakened immune defenses in space. Prevention is critical, as many dust-related conditions have no cure....

Explanation: From a garden on planet Earth, 38 hours of exposure with a camera and small telescope produced this cosmic photo of the M81 galaxy group. In fact, the group's dominant galaxy M81 is near the center of the frame sporting grand spiral arms and a bright yellow core. Also known as Bode's galaxy, M81 itself spans some 100,000 light-years. Near the top is cigar-shaped irregular galaxy M82. The pair have been locked in gravitational combat for a billion years. Gravity from each galaxy has profoundly affected the other during a series of cosmic close encounters. Their last go-round lasted...

A newly discovered comet, SWAN25F, is racing across April’s morning sky—catch it now with binoculars before it makes its closest approach to Earth and the sun in early May. Newly Discovered Comet SWAN25F Now Visible—Here’s How to See It Before It Disappears | The Daily Galaxy --Great Discoveries Channel =========================================================================== A new comet, officially designated SWAN25F, has entered the morning skies of the Northern Hemisphere, and it’s already visible with binoculars. The comet was first spotted on April 1, 2025, by Australian amateur astronomer Michael Mattiazo, who identified it in images from SWAN, an instrument aboard the ESA’s SOHO spacecraft....

Explanation: What's at the tip of this interstellar jet? First let's consider the jet: it is being expelled by a star system just forming and is cataloged as Herbig-Haro 49 (HH 49). The star system expelling this jet is not visible -- it is off to the lower right. The complex conical structure featured in this infrared image by the James Webb Space Telescope also includes another jet cataloged as HH 50. The fast jet particles impact the surrounding interstellar gas and form shock waves that glow prominently in infrared light -- shown here as reddish-brown ridges. This JWST image...

Astronomers have just revealed that a day on Uranus is longer than was previously thought, at 17 hours, 14 minutes and 52 seconds. This is 28 seconds longer than the previous estimate, which was made by NASA's Voyager 2 probe during its flyby of the ice giant planet back in 1986. The new figure—which is 1,000 times more accurate—was calculated based on a decade's worth of observations of Uranus's aurorae made by NASA/ESA's Hubble Space Telescope. The long-term data on the planet's auroral emissions enabled the researchers to track the positions of the planet's magnetic poles and, by extension, its...

Explanation: Sometimes, the Moon visits the Pleiades. Technically, this means that the orbit of our Moon takes it directly in front of the famous Pleiades star cluster, which is far in the distance. The technical term for the event is an occultation, and the Moon is famous for its rare occultations of all planets and several well-known bright stars. The Moon's tilted and precessing orbit makes its occultations of the Seven Sisters star cluster bunchy, with the current epoch starting in 2023 continuing monthly until 2029. After that, though, the next occultation won't occur until 2042. Taken from Cantabria, Spain...