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 ...

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

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

Tardigrades, commonly known as water bears, may be better suited by a new name: Tardiguardians of the Galaxy. Unlike the fictional ragtag team of unenthusiastic heroes, the microscopic animals are ...

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

Saturn’s largest moon, Titan, might have formed after a collision with a lost moon, according to new research.

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

NASA has given a hilarious response to President Trump following his demand for UFO files - and it dashes hopes of an ...

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