A new study finds that Earth once had Saturn-like rings. The temporary structure likely consisted of debris from a broken-up asteroid.

The coming week will see the gas giant Saturn return to the Northern Hemisphere's late night sky, after spending the last few ...

Our universe just got a lot weirder. From planets with rings larger than the Sun to alien worlds where it rains molten iron or glows magenta, NASA’s latest exoplanet discoveries are challenging ...

Located billions of light-years away, the "Cosmic Owl" is a pair of colliding ring galaxies spotted by the JWST. It's also an ...