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

Imagine a planet orbiting the largest known star, Stevenson 218. This video explores the tantalizing scientific possibility ...

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

The European Space Agency is planning an ambitious mission to Saturn's moon Enceladus, launching in the 2040s. Utilizing an orbiter and lander, the mi ...

Some of the world's leading experts have now revealed what noises life beyond Earth might really make - and they say Steven ...

A bizarre ecosystem discovered 3,640 meters deep in the Arctic reveals "frozen reefs" and alien-like life. Learn about this ...

It's one of life's biggest questions - are we alone in the universe? Now, one of Britain's top space scientists has declared ...

In the many decades of NASA exploration, there has only been one detection that got on that scale. It was collected by the ...

Tech mogul Elon Musk has weighed in on UFO sightings, asserting that neither he nor SpaceX has encountered any evidence of alien visitors. He suggests ...

A moon around Saturn could be even more hospitable to alien life than we thought, scientists have said. Heat is coming out of the top of the icy world, researchers have found in a major new study.