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Editors of EarthSky

The Great Moon Hoax of 1835: Would you have believed it?

On today's date in 1835 a newspaper claimed a famous astronomer had found life on the moon. The Great Moon Hoax was widely read and believed.

Observing meteors: Top 10 tips for the Perseids

The 2021 Perseid meteor shower is rising to its peak and many are observing meteors. Here are our best 10 tips for watching this shower, or any other!

Beluga Boat cam now live! And well worth watching

Click into these videos to see the Beluga Boat cam, from Manitoba's Churchill River. Belugas live, hunt and migrate in "pods." Hear their vocalizations!

How nuclear fusion works to let stars shine

Nuclear fusion powers our sun and is the energy source of the stars in our night sky. Here's how nuclear fusion works to make stars shine.

Know how to avoid rip currents! Watch this video

Before going to the ocean this year, you'll want to know how to avoid rip currents. Watch a video here to learn how to save yourself from these deadly currents.

What’s a safe distance from a supernova for Earth?

What's a safe distance from a supernova? To survive a supernova, recent data says Earth would have to be at least 160 light-years away from the exploding star.

The world’s fastest bird is the Peregrine falcon

When in its hunting dive, the Peregrine falcon is the fastest bird - in fact, the fastest animal - on Earth. Get a bird's-eye view of the flight in this video.

Aurora photos, night of April 23-24, 2023

The night of April 23-24, 2023, featured a wonderful auroral display. Aurora photos from our community, and some tweets, here.

Hybrid solar eclipse photos: April 20, 2023

Enjoy these April 20, 2023, hybrid solar eclipse photos from the EarthSky community. Do you have a photo? Share it with us!

What are brown dwarfs?

Brown dwarfs are more massive than a planet, but less massive than a star. They can be found orbiting stars, or traveling around in the galaxy on their own.