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Latest News
From around the web
The Sky Today on Tuesday, October 21: The Orionids peak, Comet Lemmon is closest to Earth, and Titan makes a transit
Tue October 21st, 2025
New moon of October 2025 hides red star Antares for some lucky stargazers tonightMon October 20th, 2025
Hubble spies a glowing 'starburst ring' | Space photo of the day for Oct. 20, 2025Mon October 20th, 2025
Don't miss the Orionid meteor shower peak begin overnight tonight under a moonless skyMon October 20th, 2025
A cosmic heart bursts with light in new deep space astrophotographer portrait (photo)Sun October 19th, 2025
Images from the Mars Perseverance Rover – Photo stream updated daily!
Camera: Front Hazard Avoidance Camera - Left
Earth Date: Tue February 4th, 2025
Sol: 1409
Camera: Front Hazard Avoidance Camera - Left
Earth Date: Tue February 4th, 2025
Sol: 1409
Camera: Front Hazard Avoidance Camera - Left
Earth Date: Tue February 4th, 2025
Sol: 1409
Camera: Front Hazard Avoidance Camera - Left
Earth Date: Tue February 4th, 2025
Sol: 1409
NASA's Astronomy Picture of the Day (June 21st, 2026):
Keogram: The Sky in 2025
From NASA: "What if you could see the entire sky -- all at once -- for an entire year? That, very nearly, is what is pictured here. Every 15 seconds during 2025, an all-sky camera took an image of the sky over the Netherlands. Central columns from these images were then aligned and combined to create the featured keogram, with January at the top, December at the bottom, and the middle of the night running vertically just left of center. What do we see? Most obviously, the daytime sky is mostly blue, while the nighttime sky is mostly black. The twelve light bands crossing the night sky are caused by the glow of the Moon. The thinnest part of the black hourglass shape occurs during the summer solstice, like today, when days are the longest, while the thickest part occurs at the winter solstice. Equinoxes can also be located in the keogram, for example the northern-spring equinox from one year ago is about three-quarters of the way up."