Charles Messier was an 18th century comet hunter who compiled a list of nebulae and star clusters – objects that could be mistaken for comets in a small telescope. His ...

Timing is everything when everything is moving. At one o’clock this afternoon the moon was right in the middle of the ...

Stargazing between March and May offers breathtaking views of celestial objects like galaxies, planets, and constellations.

The countdown for the year's first total lunar eclipse begins. The celestial event, which will see the moon change to rusty red hues, will occur in the U.S. on the night of March 13-14. According ...