In this video, learn about the theory of cosmic inflation, a short period of extremely rapid expansion in the early universe that explains the large-scale structure we see in the cosmos today.

In this video, learn the basics about gamma-ray bursts (GRBs), flows of high-energy photons associated with extremely energetic explosions that in milliseconds or minutes release as much energy as ...

Carl Sagan nailed it. “Even today, the most jaded city dweller can be unexpectedly moved upon encountering a clear night sky studded with thousands of twinkling stars,” he wrote in his … ...

Planetary Society and California State University Dominguez Hills Team Up on Distance Learning Beginning Monday, February 7, a 13-week astronomy and planetary science course sponsored by The ...

Marking the International Year of Astronomy (IYA), Jeff Kanipe takes a look at the prospects of the 'big four' major new telescopes. They have a tough act to follow, as a trawl through 'Hubble's ...

When you look at stars closely, you will see a variety of brilliance and color. Stars can be blue, white, yellow, orange and red.

Star Gazers STG420 July 14-20, 2025 “Astronomy 101: Shortcut to Sky Degrees” ...

Astronomy 101 for Coloradans: Clubs, apps and telescope stores helping earthlings reach for the skies The universe of amateur astronomers is expanding rapidly while new space exploration ramps up ...

Why Astronomy 101 is 'perfect' for teaching climate change Introduction to Astronomy is a college class usually filled with excitement and a lot of questions about outer space.

Before astronomy students at Columbia University can learn about about the sun, moon, and stars, they’ll have to take a refresher on … the “genocide” at Gaza? That’s the message from an undergraduate ...