Nasa has drawn fresh attention to a nearby exoplanet, dubbed the super-Earth GJ 3378b, after astronomers confirmed it sits in ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Project Hail Mary, Solaris, and The Hitchhiker's Guide to the Galaxy are all among the very best sci-fi books set in space.

That sharp, briny smell is not the salt, it is a gas made by life, breathed out by tiny ocean creatures too small to see. For ...

With new technologies come new opportunities. And that is especially true in astronomy—with every new advanced telescope, we ...

The Hubble Space Telescope has made multiple observations of exoplanet WASP-121 b, also known as Tylos. The extreme temperature changes the massive 'hot Jupiter'-type planet may make it rain iron at ...

Scientists may have found the strongest hint yet that life could exist beyond Earth, and the focus is not Mars but a distant ...

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...