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View at EarthSky Community Photos. | Abhijit Patil in Big Sur, California, captured Comet A3 near the Milky Way on October 22, 2024. Thanks, Abhijit! The comet was one of

The European Space Agency (ESA) has announced its 2025 calendar, featuring the best images from the Hubble and Webb telescopes from the past year. And it’s free for you to

Solstices and equinoxes The December solstice (winter for the Northern Hemisphere, summer for the Southern Hemisphere) will take place at 9:21 UTC on December 21, 2024. That’s 3:21 a.m. CST.

View larger. | This elevation map depicts the South Pole-Aitken basin on the moon. It is the moon’s largest crater. The lowest regions are in blue and purple. A new

Parker Solar Probe will make humanity’s closest approach to the sun on Christmas Eve, December 24! For the latest, watch the livestream above at the RESCHEDULED time of 1:15 p.m.

The Ingenuity Mars helicopter, as imaged by the Perseverance rover. This helicopter was the first aircraft to accomplish powered, controlled flight on another planet. Its original goal had been 5

Artist’s concept of Eta Carinae’s Great Eruption in 1843. This star underwent a great eruption but not a full-blown supernova. Is it possible to catch a supernova before it happens?

View larger. | This is the Hubble Space Telescope’s new view of the quasar 3C 273, 2.5 billion light-years away. We can see various filaments and blobs, and the long

Artist’s depiction of the Webb Space Telescope scanning the asteroid belt in infrared, looking for the smallest asteroids. Now, Webb has found 138 of them. The MIT team used a

A visualization of starspots on the red giant star XX Trianguli. The size of the sun is shown on the left for comparison. Image via HUN-REN RCAES/ Zs. Kovári, MOME/