With binoculars or a wide-field scope, emission nebula IC 1396 is a vast playground, filled with many other interesting ...

Trump's Golden Dome defense system would protect the United States from advanced threats. Critics say it is upending ...

Webb takes a closer look at Abell S1063, a distant galaxy cluster that acts like a cosmic lens, peering into the universe’s ...

Today in the history of astronomy, the telescope proposed by George Ellery Hale in 1928 finally comes to fruition.

The ever-moving lunar terminator has shifted to throw three prominent craters into contrast: Ptolemaeus, Alphonsus, and ...

This fanciful yet scientifically guided tale describes a visit to the Moon, and is considered by many the first work of ...

Jupiter joins Mercury in early twilight as Mars lingers with Leo after dark. Saturn is visible in the morning, meeting ...

The most recent nearby supernova, SN 1987A, was in the Large Magellanic Cloud. The Milky Way’s youngest known supernova is ...

The smaller constellation Leo Minor lies to the upper right (north) of Leo in the west this evening. Leo Minor appears ...

Today in the history of astronomy, NASA achieves its first lunar soft-landing.

The move — reportedly motivated by Isaacman’s past support of Democratic politicians — leaves NASA leaderless amid massive ...

The time we now use around the world is called Universal time, or UT. It was formalized a century ago — here's how it works.