Regas first defines what a constellation is and then offers a short description of how to identify Orion’s shape. Following ...

The eclipse in question occurred during the Zhou dynasty. Though the exact date is uncertain, some astronomers have pointed ...

Triangle asterism is rising earlier as we approach Northern Hemisphere summer. Catch it in the east this evening.

Asteroid 2 Pallas has reached its stationary point in the sky near the four stars forming the body of Delphinus the Dolphin.

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

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

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 ...

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.

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

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