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

Beneath Europa's icy shell lies an ocean vaster than Earth's. But is its hidden world buzzing with life, or silent as the ...

Harvard scientist Avi Loeb presents chilling theories that interstellar object 3I/ATLAS is alien technology, citing anomalies ...

Harvard's Avi Loeb argues 3I/ATLAS shows signs of alien technology, from its 0.2% probability flight path to bizarre metal ...

These dust particles, finer than sand grains, originate from cometary tails and asteroid collisions, posing unseen risks to ...

A test model of the Perseverance rover, designed to explore the surface of Mars, sits in a garage at NASA’s Jet Propulsion Laboratory, near Pasadena, California, in October. On Mars, in the belly of a ...

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

About 470,000 “interesting” radio hits can still add up to zero. That was the practical outcome when astronomers aimed one of ...

Five American astronauts have 10 spacewalks under their belt to date: Bob Behnken, Stephen Bowen, Chris Cassidy, Michael ...

There are huge gaps in our knowledge of how to survive space. A lab in north east England is trying to change that.

American space agency NASA said the Perseverance rover is good to go on Mars until at least 2031, both hardware and software ...

A Carnegie-led team of astronomers detected the strongest evidence yet of an atmosphere around a rocky planet beyond our ...