Three unusual phenomena that could occur on other planets.

Astronomers have made an unexpected discovery about the planet TOI-3884b, which orbits its star at a crazy angle. The ...

Astronomers are just beginning to scratch the surface of the complex, and sometimes violent, relationships between planets ...

An extreme close-up of the Australian rufous net-casting spider's unique silk, captured by biologist Martín Ramírez and his ...

One mission would involve a full 300 sols on the Red Planet, with the goal of finding extinct or current life on Mars. But ...

Forget the dusty, rusty landscape you see today. Billions of years ago, Mars may have been soaking wet. Tropical storms might ...

Mercury, long recognised as the innermost planet, exhibits a remarkable comet-like tail stretching millions of kilometres.

NASA's Perseverance rover found rocks on Mars that on Earth usually form in tropical environments. That Mars once hosted ...

For centuries, Europeans thought that eternal daylight saturated the cosmos. The shift to a dark universe has had a profound ...

For Star Trek fans who are wanting to watch some cozy feel-good stories during the holidays, here are 10 warm and fuzzy ...

The nature documentary series uses new research and photorealistic CGI to bring the huge, bizarre animals of the Ice Age back ...

New James Webb telescope observations of the 'super-puff' planet WASP-107b show that the exoplanet's runaway atmosphere is ...