Andromeda is on a collision course with the Milky Way galaxy. The resulting 'Milkdromeda' will be an elliptical supergalaxy. JWST studies Andromeda's stars.
Meteor showers occur almost year-round. So, when's the best time to watch, and where should you go for the best views? Find out what causes meteor showers.
Carl Sagan's famous quote, "We are star stuff," isn't just poetic—it's scientific. Discover how the elements in our bodies were forged in the hearts of stars.
The classification of Pluto as a planet has been subject to debate among scientists since its discovery in 1930. In 2006, IAU turned heads with its decision.