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

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

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

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

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

A new anomaly related to the size of particles in the interstellar object 3I/ATLAS has been detected. This was reported in his blog by Harvard University astronomer Avi Loeb.

A planet that is snuggled up closely with its host star may be igniting colossal flares that strip it of its own mass. In a first-of-its-kind observation, astronomers have found a giant exoplanet in ...

Police who pulled over a speeding passenger in Georgia made a discovery that is not of this world. The Alpharetta Department of Public Safety on Sunday posted photos of a life-sized alien doll that ...

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

Comet 3I/ATLAS, a rare interstellar visitor, is visible this week as it departs the solar system, with some public events ...