Astronomers say they have traced a mysterious pulsing in the Milky Way to a surprising source: a dead star locked in a dance ...

Skygazers across the U.S. were treated to a rare blood moon. Unfortunately, the next total lunar eclipse visible in the U.S.

Astrophysicists have once again enriched our knowledge of the cosmos with a new discovery: two small planets orbiting ...

BL Lacertae blazar shifts between classifications faster than expected. It shows record X-ray activity and challenges current ...

Cherry Springs State Park sits atop a 2,300-foot mountain in the Susquehannock State Forest, surrounded by some of Pennsylvania’s most pristine wilderness. Named for the large black cherry trees that ...

Cherry Springs State Park sits quietly in Potter County, an 82-acre pocket of darkness that’s become the astronomy enthusiast’s equivalent of finding a golden ticket to Wonka’s factory. While millions ...

The Red Planet and its tiny moon Deimos were recorded at a very near distance as the asteroid-chasing spacecraft completed a flyby on Wednesday.

Its employees regularly collect weather data that help scientists monitor daily forecasts, track hurricanes, support air ...

At the Harvard College Observatory in years around 1900, women were hired to make measurements of astronomical data and do ...

Astronomers from the University of Arizona have uncovered astonishing details about a galaxy that existed when the universe ...

The vernal equinox occurs as Mercury stands still in Pisces and several of Jupiter’s moons transit in the sky this week.

Dr. Phil Plait is an astronomer, author, and science communicator. His Bad Astronomy Blog has been hosted on Discover Magazine, Slate, and SYFY.com, and is now a newsletter with over 21,000 readers.