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

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 ...

Fred passed away peacefully June 1 in hospice at their home in Portal, Arizona. This is, of course, incredibly sad for those ...

JWST's stunning image of NGC 346 shows that planets in the early universe didn’t form as quickly as theorists thought.

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 ...

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 ...

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

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