The rings of Saturn, if they are not continuous masses of cosmical matter, must be swarms of billions of small satellites, each of which travels in its individual orbit subject to the attractions ...

Researchers have found evidence suggesting that the Earth may have once had a system of Saturn-like rings. The rings are ...

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 ...