Noted physicist Stephen Hawking has said that Earth is on the path to becoming a hothouse planet like Venus.
Stephen Hawking said that the planet Earth could be like Venus with 250 degrees temperature and could be raining sulfuric acid.
Stephen Hawking wants humanity to concentrate efforts on colonizing another planet. Many others agree.
Stephen Hawking has warned that humans must leave Earth in 100 years and colonize another planet if the race wants to survive extinction.
Scientists discover that superfluid helium actually behaves a lot like black holes.
A number of celebrities volunteered to offer their voices, including Liam Neeson, but the physicist chose this voice over Neeson's.
Prof. Stephen Hawking recently said he has accepted an invitation from Richard Branson to travel into space on a Virgin Galactic flight.
Stephen Hawking warns that aggression could lead to the demise of the human race.
Better get your tickets before they are all out.
Scientists have detected radio signals from deep space.
This is what most scientists are so obsessed with.
Researchers have to find a way to protect the craft from cosmic radiation.
