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Today's Image
The Witch Head Nebula rises near Orion on Halloween
The Witch Head Nebula rises near the star Rigel in Orion on Halloween night, but it's too faint to see without a large telescope. It's perfect sight for Halloween.
October 30, 2026
Space
Is this our solar system’s future? Scientists spot disk around dead star
Researchers have discovered a white dwarf surrounded by a debris disk with 2 separate rings. It offers a possible glimpse of our solar system's future.
October 29, 2026
Earth
The enormous oarfish could inspire new ways to explore the ocean
The giant oarfish has a remarkable fin that could inspire quieter underwater robots and open new possibilities for ocean exploration and conservation.
October 29, 2026
Astronomy Essentials
Tonight
Visible planets and night sky guide for October and November
Visible planets and night sky guide. Tomorrow morning, the moon will hang near Castor and Pollux, the twin stars of Gemini.
October 29, 2026
Sun
Sun news: A second galore of auroras on this day in 2003
Sun news October 29, 2026: 23 years ago today, on October 29, 2003, a monster X17.2 flare provoked G5 (extreme) geomagnetic storms at Earth, triggering widespread auroras.
October 29, 2026
Human World
Spooky ghost lights: Believe in them if you dare
Ghost lights are strange lights seen over swamps or bogs. Here are some popular places known for ghost lights. Believe in them ... if you dare!
October 29, 2026
Brightest Stars
Algol the Demon Star, named for its strange behavior
What's the scariest star in all the heavens? It's Algol the Demon Star, and you can see it on autumn evenings. Here’s the secret of Algol's creepiness!
October 29, 2026
Space
Origins of Uranus and Neptune are surprisingly different
A new study suggests that the origins of Uranus and Neptune are quite different, even though the 2 planets are similar in many ways.
October 28, 2026
Earth
Goblin sharks, ghost crabs and vampire bats, oh my!
Goblin sharks, ghost crabs and vampire bats: how did these spooky-sounding animals get their names? Learn about them here.
October 28, 2026
Earth
Lake Powell rises more than 10 feet after heavy rains
After heavy rains in October, Lake Powell has risen more than 10 feet. But it still has a long way to go to recover from decades of drought.
October 27, 2026
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