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Editors of EarthSky

Von Kármán vortices are beautiful, swirling clouds

Learn more about beautiful von Kármán vortices, a swirling pattern of clouds seen in satellite images. They occur when flowing fluid is disturbed by an object.

How Pluto got its heart

The New Horizons spacecraft saw a heart-shaped feature on Pluto during its 2015 flyby. New computer simulations suggest an impact created Pluto's heart.

Use the Big Dipper to find the Little Dipper

Polaris marks the end of the handle of the Little Dipper. The 2 outer stars in the bowl of the Big Dipper point to Polaris and help you find the Little Dipper.

Monday’s total solar eclipse from space

Earth-observing satellites captured imagery of the Moon’s shadow as it raced eastward over North America on the April 8, 2024 total solar eclipse.

New Horizons finds evidence for 2nd Kuiper Belt

The Pluto spacecraft New Horizons is still alive and speeding outward. Has it found a 2nd Kuiper Belt? The team is hopeful for new spacecraft targets.

Total solar eclipse of April 8, 2024. Experience it here!

The April 8, 2024, total solar eclipse crossed Mexico, the U.S. and Canada! Relive it by watching a replay of EarthSky's livestream here.

Crew-8 launches successfully, headed to ISS

The 4 space-goers in NASA's SpaceX Crew-8 mission to the International Space Station lifted off successfully Sunday night. They will dock with ISS on March 5.

Binoculars for stargazing: Our top 6 tips here

Want to know how to use binoculars for stargazing? Follow our top 6 tips to get the most out of viewing the night sky with a little optical aid.

How far is Betelgeuse, the famous red supergiant star?

Betelgeuse is bright and it's exciting because one day it will explode - but how far away is it, really? Astronomers aren't sure.

When does Friday the 13th have a full moon? Next one is 2049

Want to see some dates when a Friday the 13th and a full moon fall on the same day? Here are past and future Friday the 13ths with full moons.

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