Friday in D.C. occupied a special spot between May Day and Derby Day, and seemed to rise to the atmospheric occasion. It ...

The Aquarids, a meteor shower famous for its speedy balls of space debris that streak across the night sky, is peaking soon.

The Aquarids – sometimes spelled as "Aquariids" – first became active April 19 and are due to peak between May 5 and May 6.

Named Eos, the cloud of gas would appear huge in the night sky if visible to the naked eye and could shed light on solar ...

Catch some morning meteors, see the Moon reach First Quarter, and watch Mars visit the Beehive in the sky this week.

An unusual depiction of the ancient Egyptian sky goddess Nut may include a representation of the "Dark River" or "Great Rift" ...

The Aquarids – sometimes spelled as "Aquariids" – first became active April 19 and are due to peak between May 5 and May 6.

It is rare when we highlight a celestial event (or events) that involves the zodiacal constellation of Cancer the Crab. In ...

Known for their speed, the Eta Aquarids are icy, rocky debris that’s been shed from the nucleus of Halley’s Comet each time ...

the cloud of gas would appear huge in the night sky if visible to the naked eye. It measures roughly 40 moons in width and has a weight about 3,400 times the mass of the sun, researchers reported ...