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Astronomy Essentials
Tonight
Visible planets and night sky guide for October and November
Visible planets and night sky guide. Halloween is an astronomical holiday! See a video about it here. Tomorrow, watch for the 3rd quarter moon.
October 31, 2026
Space
New dwarf planet discovered by Rubin?
Astronomers using the Rubin Observatory have discovered a new dwarf planet candidate. It lies just beyond the orbit of Pluto.
October 30, 2026
Earth
Ghostly white animals: What’s the cause?
Happy Halloween! They might look ghostly, but white animals are not ghosts. Here's the science behind why some creatures lose their color.
October 30, 2026
Earth
Space
Could the Taurid meteors bring a risk of airbursts in 2026?
A researcher says the Taurid meteor shower could bring an increased risk of an airburst in 2026. But these Halloween fireballs are based on 2 big IFs.
October 30, 2026
Human World
Daylight Time ends Sunday: 7 tips to help you adjust
Daylight Time ends on November 1, 2026. Here are 7 tips from the American Academy of Sleep Medicine to help you adjust to the time change.
October 30, 2026
Astronomy Essentials
Human World
Halloween is an astronomy holiday. It’s a cross-quarter day
A cross-quarter day falls between an equinox and a solstice. Halloween is the year's 4th cross-quarter day and the spookiest of them all.
October 30, 2026
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
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
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