Are we alone in this universe? Is there intelligent life out there? Or are they living among us? Humans have wondered about ...

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 ...

If life exists beyond Earth, water may be the first clue. Water Worlds explores the planets and moons where liquid water could exist — and where alien life might be quietly thriving.

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

British space scientist Dame Maggie Aderin–Pocock is sure that life is present on some other planet in the universe. Citing ...

Until now, scientists believed that Mars’ skylights – pits in the surface of mars – were formed by volcanic activity. But ...

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

The faraway moon has 'a slushy high-pressure ice layer' similar to the melting Arctic that could hide extraterrestrial life.

"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 the Jezero Crater for years, and it's finally found a potential meteorite, now ...

The best reason to send humans to Mars isn’t for guts or glory—or the construction of colonies to safeguard against existential Earth-bound risks. Instead it’s to answer a single, simple question: Is ...