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

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

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

The James Webb Space Telescope has discovered a shocking secret hidden in the clouds of an exoplanet 124 light years away. K2 ...

Mars. From forming black holes to phantom dark energy, discover the cosmic mysteries astronomers uncovered last year.

Polling shows that nearly half of Americans now believe aliens have visited this planet—and that the number who aren't sure ...

Scientists have discovered 26 previously unknown bacterial species living inside NASA’s ultra-sterile spacecraft assembly ...

If you found out we weren't alone, if someone showed you, proved it to you, would that frighten you? That question sits at ...

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

Brian Cox once toured as a keyboardist in major rock and pop bands. Now he’s a particle physicist on a new world tour with a ...

It came from outer space. Interstellar space, to be precise. From somewhere beyond the influence of our sun, possibly from ...