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Astrophotographer spies Thor's Helmet shining 15,000 light-years away in spectacular photo
A massive stellar wind bubble sculpts the nebula into the shape of the Norse god's famous helmet.
Triangulum Galaxy dazzles in psychedelic color | Space photo of the day for March 23, 2026
Astronomers captured a colorful new portrait of the Triangulum Galaxy, revealing complex clouds of gas in between the galaxy's 40 billion stars.
Northern lights dazzle worldwide as strong G3 geomagnetic storm sparks stunning show (photos)
Powerful geomagnetic storms sent the northern lights dancing far beyond the poles, delivering a spectacular show across the world.
Are mysterious 'Little Red Dots' discovered by the James Webb Space Telescope actually baby galaxies under construction?
What if the mysterious 'Little Red Dots' aren't baby black holes, but rather globular clusters in their messy, glorious formation?
On this day in space: March 23, 1840: First photo of the moon taken!
On March 23, 1840, a New Yorker named John William Draper became the first person to take a photo of the moon.
Night sky tonight, March 23 — The waxing moon, a red star and the Pleiades form a celestial triangle in the early spring sky
Find out what you can see in the night sky for tonight, from planets and stars to dazzling meteor showers.
Could our universe exist because black holes ate up all the antimatter?
Did primordial black holes born during the Big Bang swallow the universe's antimatter, allowing matter to dominate the cosmos?
Aurora forecast March 23 — Northern lights still possible tonight after strong geomagnetic storms over the weekend
The latest aurora forecast for tonight helps you make sure you're in the right place at the right time to see the northern lights.
