Skygazers, mark your calendars because one of the coolest celestial events is coming around again toward the end of February.

Astronomers Identified a Lemon-Shaped Planet Displaying a Feature 'Unlike Anything Observed Before' ...

Polygon has rounded up the best icy sci-fi planets from our favorite video games, movies, television, and books ...

HD 189733 b orbits so close to its star that distance almost stops mattering. The planet was logged in 2005, one of many ...

James Webb finds a hot planet that is tidally locked with its parent star, is coated with a thick atmosphere of volatile chemicals. When you purchase through links on our site, we may earn an ...

Mercury, Venus, Jupiter, Saturn, Uranus, and Neptune will be visible after sunset on February 28. Find out how to watch this rare event.

Protoplanetary disks are the birthplaces of planets, but few discoveries have stretched scientific expectations like IRAS ...