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

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

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

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.

A study using the Very Large Array radio telescope may have discovered a magnetic field on exoplanet YZ Ceti b. Magnetic fields protect planets from energetic particles that can strip away atmospheres ...

There's a definite buzz going around this month about aliens from other worlds, or hadn't you noticed? Former US President ...