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

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

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

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

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

If you have the time and clear sky to the north, you might want to check out an open cluster that is seldom observed. An ...