Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...

January started out with a meteor shower and now has a planetary alignment in store. Here's what you'll be able to see and ...

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

Unfortunate timing The first panel of this artist's concept depicts how Uranus's magnetosphere – its protective bubble – was behaving before the 1986 flyby of NASA's Voyager 2. The second panel shows ...

Six planets will all be visible at once in the night sky this month, lined up across the sky—but one is set to disappear from view.

Hold onto your hats (and your hearts)! On Dec. 28, love planet Venus will clash with change-maker Uranus, sparking unexpected shifts and changes in both your love life and your sense of security.