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

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 ...

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 ...

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 ...

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

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

Harvard's Avi Loeb warns interstellar comet 3I/ATLAS could be alien tech. Experts weigh in on planetary defence and the risks ...

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

Humanity is on the way to confirming the existence of non-human entities and making contact with aliens within the next 50 ...

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

We've all grown up dreaming of aliens landing on the Earth or laser beaming across the sky; well, either way, it's sci-fi and ...