The best time to catch Mars and Regulus — known as the "Heart of the Lion"— will be just after twilight fades and the stars ...

One summer night in 1877, American astronomer Asaph Hall was looking through his telescope in Washington, D.C. Mars was at ...

The new images by the Curiosity rover on Mars show "dramatic evidence" of ancient groundwater in crisscrossing low ridges, ...

New computer models suggested that the Mars Reconnaissance Orbiter (MRO) could get better radar data if it rolled farther ...

Living in today’s age of ambitious robotic exploration of Mars, with an eventual human mission to the red planet likely to ...

Your blood is also red because of a mixture of iron and oxygen in a molecule called hemoglobin. So in a way, the ancient ...

Stargazers in the U.S. will find the slender form of the crescent moon roughly 20 degrees above the western horizon right at ...

Mars appears red due to iron oxide, similar to rust and even human blood Probes reveal Mars is more tan or brown than red ...

The world's most famous telescope is celebrating in style with new views of Mars, nebulas and a galaxy that reminds us of home. Hubble Space Telescope Is 35: Don't Miss These 4 Dazzling ...

People from cultures across the world have been looking at Mars since ancient times. Because it appears reddish, it has often ...