Star Clusters M35 and NGC 2158

2021 May 10

Animation: Black Hole Destroys Star

2021 April 27

IC 443, NGC 2174

IC 1805: The Heart Nebula

What energizes the Heart Nebula?

The Spider Nebula in Infrared

Will the spider ever catch the fly?

M45: The Pleiades Star Cluster

Have you ever seen the Pleiades star cluster?

NGC 7129 and NGC 7142

The two appear separated by only half a degree on the sky, but they actually lie at quite different distances.

Birds During a Total Solar Eclipse

What do birds do during a total solar eclipse?

Astronomy Picture of the Day: M100: A Grand Design Spiral Galaxy

Majestic on a truly cosmic scale, M100 is appropriately known as a grand design spiral galaxy.

Astronomy Picture of the Day: The Fairy of Eagle Nebula

The dust sculptures of the Eagle Nebula are evaporating. As powerful starlight whittles away these cool cosmic mountains, the statuesque pillars that remain might be imagined as mythical beasts.