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

For decades, scientists have imagined Martian life as something that might look faintly familiar, perhaps microbes not so ...

An alien comet, a Martian volcano, a man’s fall from the sun and a groundbreaking telescope’s first images: Here are the most ...

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.

The European Space Agency has released new images of a rare "butterfly" crater on the Red Planet. The bug-like structure ...

Did NASA hide real images of 3I/Atlas after its Mars flyby? A viral theory claims alien links as a spacecraft falls silent, ...