The Orionids — one of two major meteor showers caused by remnants from Halley’s comet — will peak with the arrival of a new ...

A vivid green fireball that exploded over the southern U.S. on Oct. 14 may have been a shard of the Comet 2P/Encke.

P. Jenniskens, SETI Institute and NASA Ames Research Center; and M. Breukers and C. Johannink, Cameras for Allsky Meteor Surveillance (CAMS), BeNeLux, report that the chi Cygnids meteor shower (IAU ...

The month is packed with skywatching highlights—including two galaxies visible to the naked eye and a rare glimpse of the innermost planet. A cormorant crosses the face of the full moon in ...