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

Well, that task has gotten a bit easier thanks to All About Orion, the new book by Dean Regas. This large (8½” by 11″) book ...

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

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

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 ...

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.

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 ...

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