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

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

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

Imagine a planet orbiting the largest known star, Stevenson 218. This video explores the tantalizing scientific possibility of alien worlds around a red supergiant. We examine the challenges of ...

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 ...

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

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

Polling shows that nearly half of Americans now believe aliens have visited this planet—and that the number who aren't sure ...

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

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

In the many decades of NASA exploration, there has only been one detection that got on that scale. It was collected by the ...