Harvard scientist Avi Loeb claims the interstellar object 3I/ATLAS may be alien technology sent to seed life on Earth, sparking a debate with sceptics who insist it is merely a comet.

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

Pocock, a space scientist at University College London and BBC presenter, predicts alien life will be found by 2075 but ...

Scientists have found a nearby planet that appears to be teeming with life, and now Earth's most advanced computer programs revealed what it could look like. The planet, known by astronomers as K2-18b ...

The faraway moon has 'a slushy high-pressure ice layer' similar to the melting Arctic that could hide extraterrestrial life.

British researchers have found the "strongest evidence yet" of alien life beyond Earth with the discovery of an ocean-covered planet far beyond our solar system. While studying exoplanet K2-18b, which ...

There's even a mission to probe it – using a very interesting spacecraft ALIEN life could be hiding away on the vast ocean of a nearby moon. Scientists say there’s a chance that a “small population” ...

Aliens might be transmitting communications signals to each other across exoplanets, some astronomers think. Since these signals are likely sent as narrowband radio waves, we may now have a way to ...

Those who identify as starseed think they are either on the good or bad side of an unknowable planetary war ALIENS might be living among us here on Earth – and they believe they can protect us from a ...

Scientists believe they have discovered the strongest signs yet of alien life on a distant ocean-covered planet far beyond our solar system. The possible landmark discovery was made by scientists ...

Life on Earth had to begin somewhere, and scientists think that “somewhere” is LUCA—or the Last Universal Common Ancestor.