A reddish star is about to pass through a "beehive" of stars. That "star" is actually one of Earth's planetary neighbors.

Look west in early May to find Mars near the Beehive Cluster (M44) in the constellation Cancer. On May 1, use binoculars to ...

Curiosity celebrates a big win with the discovery of siderite, offering clues to Mars' ancient carbon cycle. Despite a slip ...

A dazzling snapshot from ESO’s Paranal Observatory captures a rare sky parade — the Moon, a comet, and nearly every visible planet strung across the heavens. This celestial lineup is an optical ...