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

There are billions of planets in the Universe that, theoretically, can support life. But so far, we haven't discovered any ...

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

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

Imagine a planet orbiting the largest known star, Stevenson 218. This video explores the tantalizing scientific possibility ...

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

Historically, many scientists and society have been fascinated by the prospect of making contact with extraterrestrial ...

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

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

It's one of life's biggest questions - are we alone in the universe? Now, one of Britain's top space scientists has declared ...

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

Europa has a vast, saltwater ocean beneath its icy shell, with more than twice the amount of water in all of Earth’s oceans ...