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How asteroid Phaethon can spawn the Geminid meteors
Phaethon is a weird asteroid that behaves like a comet. It's also responsible for the Geminid meteor shower. Find out how it does so, here.
September 6, 2024
Deep-sky photos for August 2024: Editor’s picks
Enjoy this gallery of deep-sky photos for August 2024 from our EarthSky community. If you have a great photo to share, send it in too. We love to see them!
September 6, 2024
Earth’s core has a huge, hidden donut shape
Scientists in Australia have discovered a huge donut-shaped region in Earth's core. The finding provides new clues about the dynamics of Earth's magnetic field.
September 6, 2024
Sun news September 6: X flare on the sun’s far side
Sun news for September 6: Big blast on the sun's far side! Meanwhile, AR3807 keeps activity at moderate. Join our livestream at 12:15 CDT (17:15 UTC) today!
September 6, 2024
Orion’s Belt points to Sirius on September mornings
Sirius is the sky's brightest star. But sometimes bright planets outshine it. Orion's Belt is your ticket to identifying Sirius.
September 6, 2024
Visible planets and night sky guide for September
Visible planets and night sky guide for September 2024. Look for Mars near planet Jupiter and the stars Castor, Pollux and Betelgeuse.
September 6, 2024
Small asteroid hit Earth’s atmosphere Thursday, Sep 5
A small asteroid harmlessly hit Earth's atmosphere above the northern Philippines around 16:39 UTC on September 5, 2024. Watch the videos of the event here!
September 5, 2024
Jupiter’s moon slammed and tipped by giant asteroid?
About 4 billion years ago, a huge asteroid - 20 times larger than Earth's dinosaur-killer - struck Jupiter's moon Ganymede and tilted its orientation.
September 5, 2024
Polaris Dawn to launch Saturday? Many delays so far
Polaris Dawn has faced numerous delays. The Federal Aviation Administration has currently given it a launch window on September 7. Watch here!
September 5, 2024
The Andromeda galaxy: All you need to know
The Andromeda galaxy is the closest big galaxy to our Milky Way. At 2.5 million light-years, it's the most distant thing you can see with the eye alone.
September 5, 2024
