Saturn’s rings, imaged here by NASA’s Cassini orbiter, are one of the solar system’s most reliably spectacular sights. But ...

Stargazers will be treated to a dazzling six-planet "alignment" this January.

But later – hundreds of millions of years in the future – a permanent, virtually ringless Saturn will become real, thanks to another process called ring rain in which gravity pulls the rings apart and ...

Venus and Saturn will appear extraordinarily close together in the night sky overnight on Jan. 17 during a celestial event ...

A composition photo of images taken during the lunar occultation on Jan. 4 captures the progression of the moon moving in ...

The event occurs every 13 to 16 years. The last time Saturn's rings disappeared from view was in 2009. This is because Earth's view of Saturn and its ring changes with time as the planet spins on ...

The rings' relative thinness and flatness is what allows them to vanish from view every few years due to both Saturn's and Earth's positions as the planets orbit the sun. It won't be long before ...

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

Venus and Saturn are currently in conjunction, meaning the planets appear close together in the night sky from Earth. These ...