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Sun
Sun news: On this day in 2003, one of the biggest flares on record
Sun news October 28, 2026: 23 years ago today, on October 28, 2003, the sun blasted a monster X17.2 flare from active region AR10486.
October 28, 2026
Astronomy Essentials
Tonight
Visible planets and night sky guide for October and November
Visible planets and night sky guide. Late this evening, the gibbous moon hangs between Capella and Aldebaran. Look for the glittering Pleiades cluster nearby.
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
Space
Habitable worlds: Better than Earth? Scientists wonder
Some scientists think there are more habitable worlds than Earth out there. What are they like? And how might we find them?
October 27, 2026
Constellations
Lacerta the Lizard, home to a blazar
Lacerta the Lizard is a small, dim constellation in the autumn sky that contains a blazar, an active galactic nucleus with a jet aimed toward Earth.
October 27, 2026
Human World
Why do dolls creep us out? It’s the uncanny valley effect
For many, dolls creep us out. Their lifelike - but not quite human - aspect can trigger the uncanny valley effect. Hear more from scientists about this effect.
October 27, 2026
Moon Phases
How to understand moon phases: 4 tips!
As the moon orbits Earth, we see varying fractions of its day side. Here are four tips for understanding moon phases.
October 25, 2026
Astronomy Essentials
Hunter’s Moon falls on October 25-26, with Saturn nearby
The 2026 October full moon is the Hunter's Moon. It falls around October 25-26. It's near the planet Saturn and in front of the constellation Aries the Ram.
October 25, 2026
Human World
Pentagon UAP files part 7: Silent black triangles
The 7th batch of the Pentagon UAP files was released on October 23, 2026. The documents include reports of more triangle craft and more.
October 25, 2026
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