A mysterious metal shard, once thought to be a piece of a UFO that crashed in 1947, has sparked years of wild speculation.

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

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 ...

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

The Perseverance rover has been exploring Jezero Crater for years, but it's never found an otherworldly object quite like ...

Is 3I/ATLAS an alien probe? Breakthrough Listen uses the Green Bank Telescope to search for technosignatures as the ...

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

AN abandoned RAF site dubbed Britain’s ‘Area 51’ is a magnet for UFO hunters, urban explorers and conspiracy theorists who ...

Dame Maggie Aderin-Pocock, a leading British space expert, has made the extraordinary claim that humanity will discover life ...

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

Scientists discover 26 new bacterial species in NASA cleanrooms, revealing surprisingly resilient microbes with potential ...

Tantalising signs of past microbial life showed up on Mars this year, but to truly know whether they contain the answer to ...