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

The Manhattan-sized interstellar visitor hurtling through space has captured the imaginations of UFO watchers for months and ...

The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

But 3I/ATLAS is no ordinary rock – it’s a comet from beyond the solar system which greeted the Earth on December 19. It’s ...

One of Britain’s most prominent space scientists believes humanity may finally get an answer to one of its oldest questions ...

"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

A viral theory claims more than 50 alien ships are heading towards Earth led by interstellar object 3I/ATLAS. What is the ...

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

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

Learn about the 3I/ATLAS mystery as Harvard's Avi Loeb reveals 'wobbling jets' that could suggest the interstellar visitor is ...

Many experts believe that aliens exist in the universe, with the key elements needed to sustain life found on comets, ...

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