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

While aliens in science fiction hop between planets on vast spaceships, scientists say real-life extraterrestrials might take ...

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

That means if aliens were to exist, and they were located some 66 million light-years from Earth, they’d theoretically still ...

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

How far away aliens might detect life on Earth.

Are aliens real? The question has animated conspiracy theories for decades and enthralled at least one former president of the United States. In a recent interview, Barack Obama became the first ...

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

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 ...

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