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Today's Image
Does this Mars image show an alien in a hallway?
What do you see in the Mars image? Some people think the rocks look like a hallway where a little alien is walking. Other instances of pareidolia, here.
September 12, 2026
Earth
Atlantic hurricane season sets a record: No hurricanes yet!
The 2026 Atlantic hurricane season has set a record. It's the longest we've ever gone in a hurricane season without seeing a hurricane. Read more here.
September 12, 2026
Sun
Sun news: Massive eruptions in the sun’s northwest
Sun news September 12, 2026: The northwest prominence continues dancing on the sun's edge. A coronal hole now faces Earth, with fast wind due September 14.
September 12, 2026
Astronomy Essentials
Tonight
Visible planets and night sky guide for September
Visible planets and night sky guide: Look for the zodiacal light in the east before dawn. Southern Hemisphere? Look west after evening twilight ends.
September 12, 2026
Space
Did the sun swallow a planet early in its history?
Did the sun swallow a planet early in its history? Models show a super-Earth might have spiraled into the sun and left a fingerprint we can still see today.
September 11, 2026
Space
Distant proto-supercluster! An early intersection point in the cosmic web?
Astronomers have found the most distant proto-supercluster yet, an early collection of galaxies at a junction in the cosmic web.
September 11, 2026
Earth
International Cloud Appreciation Day is September 11
The international Cloud Appreciation Day is September 11, 2026. Learn how to participate here and see a gallery of beautiful clouds.
September 11, 2026
Today's Image
Anak Krakatau erupts in Indonesia, 8 people missing
Anak Krakatau erupted in early September, sending gas and ash into the atmosphere. 8 people, including 5 journalists, are now missing.
September 11, 2026
Astronomy Essentials
What is retrograde motion? And why is the moon moving backwards?
What is retrograde motion? See an image that appears to show the moon moving backwards! An explanation, and more bizarre examples, here.
September 11, 2026
Space
Do black holes have hidden hair? Scientists are searching
If black holes have extra matter around them - aka hidden hair - astronomers could find it by measuring the different characteristics of these ripples.
September 10, 2026
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