For decades, the search for life beyond Earth has focused on distant exoplanets and the rusty plains of Mars. Now, a small ...

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

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

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

Interstellar object 3I/ATLAS has grown a colossal, sunward anti-tail larger than the distance to the moon. Is this an ...

Scientists are to send a spacecraft to hunt for aliens potentially hiding in our solar system. The European Space Agency (ESA) has announced a mission to Saturn's moon Enceladus, as it has all the ...

Ingo Swann was a government-backed psychic who claimed to see things no human was supposed to see—alien structures hidden on the far side of the Moon. Years later, declassified CIA documents confirmed ...

Rachel Feltman: Happy Monday, listeners! For Scientific American’s Science Quickly, I’m Rachel Feltman. Let’s kick off the week with a quick roundup of some science news you may have missed. First, ...

They’re over the moon about the discovery. Scientists have discovered fresh signs that Saturn’s icy moon, Enceladus, could potentially house alien life deep within its subterranean seas, per a ...

Fresh “complex organic molecules” have been spotted coming out of a nearby moon that scientists believe could be home to alien life. On Earth, the same molecules are part of the chemical reactions ...