5+ hour, 41+ min ago  (46+ words) 2026 May 19 " NGC 2170: The Angel Nebula NASA (. gov) Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP) NASA Official: Amber Straughn Specific rights apply. NASA Web Privacy, Accessibility, Notices; A service of: ASD at NASA / GSFC, NASA Science Activation & Michigan Tech. U....

5+ hour, 39+ min ago  (44+ words) NASA (. gov) Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP) NASA Official: Amber Straughn Specific rights apply. NASA Web Privacy, Accessibility, Notices; A service of: ASD at NASA / GSFC, NASA Science Activation & Michigan Tech. U....

1+ day, 5+ hour ago  (149+ words) NASA (. gov) Astronomy Picture of the Day Explanation: Across the center of this spiral galaxy is a bar. And at the center of this bar is smaller spiral. And at the center of that spiral is a supermassive black hole....

3+ day, 4+ hour ago  (153+ words) NASA (. gov) Astronomy Picture of the Day Explanation: Comet R3 Pan STARRS might be best remembered as an Orion comet. A key reason is because Comet C/2025 R3 (Pan STARRS) was near its most spectacular -- in terms of tail visibility -- when passing…...

4+ day, 5+ hour ago  (147+ words) NASA (. gov) Astronomy Picture of the Day Explanation: Across the center of this spiral galaxy is a bar. And at the center of this bar is smaller spiral. And at the center of that spiral is a supermassive black hole....

4+ day, 17+ hour ago  (176+ words) NASA (. gov) Astronomy Picture of the Day Explanation: What are some of the most interesting astronomical objects you can see in the night sky? Armed with a good pair of binoculars or a small telescope, if you live in the…...

5+ day, 5+ hour ago  (214+ words) NASA (. gov) Astronomy Picture of the Day Explanation: The New General Catalog of star clusters and nebulae really isn't so new. In fact, it was published in 1888 - an effort by J. L. E. Dreyer to consolidate the work of astronomers William, Caroline, and…...

6+ day, 3+ hour ago  (193+ words) NASA (. gov) Astronomy Picture of the Day Explanation: Today's composite image features something old, something new, something borrowed, and something blue! Comet R3 Pan STARRS, streaking across the right of the image, likely originated from the Oort Cloud, meaning it is…...

1+ week, 2+ day ago  (175+ words) NASA (. gov) Astronomy Picture of the Day Explanation: Many bright nebulae and star clusters in planet Earth's sky are associated with the name of astronomer Charles Messier from his famous 18th century catalog. His name is also given to these two…...

1+ week, 5+ day ago  (199+ words) NASA (. gov) Astronomy Picture of the Day Explanation: What does it mean for Saturn and Neptune to be in retrograde? Featured is a composite of images taken over 34 nights from May 2025 to February 2026 tracing Saturn (brighter, foreground) and Neptune (dimmer,…...