New research suggests the moons of Jupiter and Uranus may hint that our planetary neighborhood once had a third ice giant.

Fewer than 30 exoplanets have ever been photographed directly, their faint light teased out from the overwhelming glare of ...

Stargazers of ancient times, watching as the starry heavens turned about the world in which they lived, were convinced that the Earth was stationary and central to all. They also marveled as five ...

Two pairs of ‘rogue’ Jupiter-size, planet-like objects have been found in a large star-forming region in the Milky Way, a new ...

More than 36,000 near-Earth asteroids have been discovered, according to NASA’s Center for Near-Earth Object Studies. The ...

Add Yahoo as a preferred source to see more of our stories on Google. Jupiter is already the biggest planet by far in our solar system, but new research suggests it was somehow once even larger than ...

On Monday, June 8, there will be a conjunction of Jupiter and Venus. A conjunction is a celestial event in which two planets or a planet and the moon or ...

For several weeks now, the planet Venus has been rising higher and higher above the western horizon in the early evening sky, ...

A team of researchers has pinpointed a key region in the early Solar System where the building blocks of planets, called ...

Jupiter has 79 moons and is known as the 'king of the planets'. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Jupiter is the largest planet in ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A “planet parade” is building in the eastern sky before ...