Astronomers have finally weighed a wandering “rogue” planet, uncovering a Saturn-mass world flung into the galaxy after a dramatic planetary breakup.

On Dec. 31, 2004, NASA’s Cassini spacecraft flew by Iapetus, Saturn’s third largest moon. Iapetus was discovered by the ...

Imagery of Saturn captured by the James Webb Space Telescope is superimposed over an image captured by Hubble. "Yellows ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Infrared-light images of Titan taken by the James Webb Space Telescope in July 2023 showing ...

For years, Titan sat near the top of the shortlist of worlds that might host life, thanks to the idea of a vast hidden ocean ...

A new NASA study of data from its old Cassini mission to Saturn suggests that giant moon Titan may not have a global ocean — but that life could still exist in pockets.

Astronomers just measured the mass of a free-floating planet without a star for the first time ...

The space agency has learned a lot over 10 years observing the weather of our solar system's outer planets. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Holdings from the library at the Goddard Space Flight Center, which includes unique documents from the early 20th century to ...