- Lagoon Nebula (M8) is an emission nebula in Sagittarius.

A rare combination of lunar events, planetary alignments, and deep-sky visibility is set to transform May’s night sky into ...

Tonight is "blue moon Eve" (see the May 31 entry for more details). Late tonight, look toward the southeast to see one of the ...

Many constellations are well-known for having one very special deep-sky object within their borders, something so famous that when you read or hear that constellation’s name, you instantly think of it ...

One of the most interesting areas to explore with a wide-field scope exists in the rich Milky Way of Cassiopeia. You might think of Orion, Taurus, Scorpius, or Sagittarius. But Cassiopeia is loaded ...

NASA's “Deep Sky” IMAX movie puts the results of 20 years of work on the James Webb Space Telescope front and center. How the James Webb Space Telescope was built. What is viewable with the James Webb ...

The Milky Way shines above the ocean off the coast of Acadia National Park in the early morning hours of Monday, April 23, 2018. (Staff photo by Gregory Rec/Portland Portland Press Herald via Getty ...

Planetary nebulae have nothing to do with planets. They simply appeared kinda like planets in telescopes long ago, their glowing disks suggesting a name that linked them to actual planetary disks. The ...