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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 (March 20th, 2026):
Spring Equinox at Teide Observatory
From NASA: "The defining astronomical moment of the equinox today is at 14:46 UTC (March 20). That's when the Sun crosses the celestial equator moving north in its yearly journey through planet Earth's sky, marking the beginning of spring for our fair planet in the northern hemisphere and fall in the southern hemisphere. Then, day and night are nearly equal around the globe. In fact, both day and nighttime exposures from a spring equinox at the Observatorio del Teide in Tenerife, Canary Islands, Spain, are used in this composited skyscape. Over 1,000 images were taken with a fisheye lens and merged in the ambitious equinox project. The apparent motion of the Sun setting along the celestial equator on the equinox date follows the bright linear, diagonal track from the sequence of daytime exposures taken over 6 hours. After sunset, nighttime exposures recorded startrails, with the celestial equator as a linear track and concentric arcs circling the north celestial pole near Polaris at upper right and the south celestial pole beyond the lower left edge (and below the Teide horizon). The foreground includes the distant Teide volcano peak and the observatory's pyramid-shaped solar laboratory building."