Discover this year's most exciting new astronomy products selected by Astronomy's contributing editor and gear guru, Phil ...

The planet Mercury stands 25° east of the Sun. View the solar system’s smallest planet, along with the crescent Moon, in the ...

Astronomers can use lensing to learn about everything from the makeup of the universe to the nature of extrasolar planets.

Integrity served as a deep-space testbed for technology that could aid cancer patients, serve remote clinics, and supercharge ...

From the Crab Nebula to the Orion Nebula, these 10 winter deep-sky objects are easy to find and perfect targets for small ...

The Red Planet passes through M44, also known as the Beehive Cluster, a bright group of young stars in Cancer the Crab.

The ringed world’s brightest moon is passing north of its parent planet overnight tonight, making it particularly easy to ...

Since ESA’s Herschel observatory went dark in 2013, no space telescope has been observing in the far-infrared. NASA's new ...

Also at opposition this week, asteroid 2 Pallas is passing near a field star with similar brightness to the main-belt world ...

The Red Planet plows through an open cluster, Mercury reaches greatest eastern elongation, and New Moon brings darkness in ...

This dense globular cluster is the only Messier object in Capricornus, perfectly positioned for evening observing in the Sea ...