Sky This Week is brought to you in part by Celestron. Friday, September 26The Moon reaches apogee, the farthest point from Earth in its orbit, at 5:46 A.M. EDT. At that time, our satellite will stand ...

The star-forming region called Sagittarius B2 contains half of the galactic center's stars, yet only 10% of the gas.

For decades, Saturn’s upper atmosphere has been one of the solar system’s great enigmas. Even the Cassini spacecraft, which ...

Stars, gas and cosmic dust in the Sagittarius B2 molecular cloud glow in near-infrared light, captured by Webb’s NIRCam instrument. The darkest areas of the image are not empty space but are areas ...

Sagittarius B2, a massive molecular cloud near the center of the Milky Way, is densely packed with stars and complex magnetic ...