Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...

Harvard scientist Avi Loeb presents chilling theories that interstellar object 3I/ATLAS is alien technology, citing anomalies ...

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

Using JWST, scientists discovered PSR J2322-2650b — a carbon-rich, lemon-shaped exoplanet orbiting a pulsar — challenging ...

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

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

Harvard's Avi Loeb argues 3I/ATLAS shows signs of alien technology, from its 0.2% probability flight path to bizarre metal ...

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

An alien comet, a Martian volcano, a man’s fall from the sun and a groundbreaking telescope’s first images: Here are the most jaw-dropping space photos of 2025.

Supporters of planetary colonization argue that becoming a multi-planet species could safeguard us from potentially ...

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