But later – hundreds of millions of years in the future – a permanent, virtually ringless Saturn will become real, thanks to ...

Alignments of five or more planets are rare—there will be two more featuring five or more planets this year, but after that ...

Venus and Saturn will be in conjunction this weekend, appearing side by side in the night sky during January's post-sunset ...

An international team of astronomers has reported the detection of a new exoplanet orbiting a bright late F-type star. The ...

Jupiter, Uranus, and Neptune are all ... odds of an event such as a collision between asteroids or baby planets that created clouds of debris that spooled around Saturn and became its rings.

I n a surprising twist on our planet’s ancient history, scientists are now suggesting that Earth might once have had a ring ...