In doing so, they found this orphan is within the same weight class as Saturn, strengthening the case that the galaxy teems ...

Scientists have discovered a rogue planet roaming the Milky Way after combining observations from Earth and a space telescope ...

A lucky alignment of space- and ground-based telescopes has enabled researchers to nail down the mass of a rogue planet for the first time. Unlike worlds in our Solar System, rogue planets do not ...

Planets usually stay close to their host stars, tracing steady paths shaped by gravity. Yet some planets break free and drift ...

“That the seven planets are in a small area of the sky and all visible is something that happens every 400 years. It's very rare. That's the beauty of this planetary alignment that doesn’t occur on ...

Deep beneath our feet, something extraordinary is happening. Scientists have discovered that changes in Earth's core are ...

An exosyzygy – an alignment of three celestial objects around another star – is predicted to happen later this year, but it ...

On Aug. 21, a stellar alignment of planets will illuminate the night sky for the last time until the year 2028 HANDOUT/University of Cambridge/AFP via Getty Keep your eyes on the skies, stargazers! A ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The composite image shows seven of the solar system's planets from Earth, after sundown on Feb.

Three planets will be visible together in a mini 'planet parade' between May 20 and 24 Getty Rise and shine, there’s a cosmic treat in store! As the moon wanes after its last-quarter phase, the ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. For five consecutive mornings, beginning on Aug. 17, early ...