CONCERNED scientists have revealed how we can prevent the human race from being wiped out — and it involves either changing our planet’s orbit or uploading ourselves into machines. In around 500 million years, scientists believe that the Sun’s expansion will leave our planet completely uninhabitable, with conditions so unforgiving that the Earth will return to being the scorched, lifeless lump of rock it once was. However, there is still hope for Earth’s future inhabitants, as researchers claim there are extreme measures we may be able to go to in humanity’s hour of need. Columbia University astrophysicists Michael Hahn and...