Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of ...

To support alien life, a planet doesn’t have to be exactly like Earth, but it does need a few key ingredients. First, it ...

Scientists identify exoplanet candidate HD 137010 b, a possible Earth-size world orbiting a Sun-like star 146 light-years away ...

If life exists elsewhere in the universe, researchers at the University of Washington are finding the clues on Earth to help ...

There were schools of thought in Ancient Greece that speculated about extraterrestrial life, in trying to answer questions ...

Planet K2-18b, an apparent water world 124 light years away, has been seen as a promising location in the search for aliens, ...

Aliens exist - they just haven't visited Earth, NASA veteran Dr Gentry Lee has claimed.

If life ever existed on Mars, it might have looked like microfossils right here on Earth.

Documents might help scientists shed light on unexplained phenomena and government secrets, experts said.

White dwarfs are the dense, collapsed cores of dead stars, capable of ripping apart planets with overwhelming gravity and triggering catastrophic explosions. Yet under the right conditions, these ...

With Area 51 ruled out by President Obama, where might aliens really be hiding? Scientists have now revealed the best candidates.