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Io’s raging volcanoes are self-powered
Does Jupiter's moon Io have a global subsurface magma ocean? A new study said no, and that Io's raging volcanoes are self-powered with their own magma pools.
December 26, 2024
Exoplanet TRAPPIST-1 b might have a hazy atmosphere
Does exoplanet TRAPPIST-1 b have an atmosphere? A new study said it either has a hazy atmosphere or is geologically active, with volcanoes or plate tectonics.
December 24, 2024
See the top 10 stories of 2024 from EarthSky
Here are the top 10 stories of 2024. We had a busy year with asteroids hitting Earth's atmosphere, dinosaur tracks, cicadas and more!
December 22, 2024
ESA’s 2025 calendar: Best of Hubble and Webb
The European Space Agency has announced its 2025 calendar, featuring the best images from Hubble and Webb from the past year. And it's free for you to download!
December 22, 2024
Solstices and equinoxes in a video from space
See how sunlight falls on Earth's surface during the solstices and equinoxes, and get a better understanding of why Earth's tilt causes the seasons.
December 20, 2024
Moon’s largest crater is rounder than 1st thought
The South Pole-Aitken basin is the moon's largest crater. Scientists have thought it was oval-shaped, but a new study suggests it's more circular.
December 19, 2024
NASA reports on Ingenuity Mars helicopter accident
Preliminary findings from NASA indicate the Ingenuity Mars helicopter’s accident on January 18, 2024, was due to problems with its navigation systems.
December 17, 2024
How to catch a supernova explosion before it happens
Astronomers are looking for signals that a star is about to go supernova. Some stars give no warning while others have slowly brightened before exploding.
December 17, 2024
Hubble’s closest look at a quasar reveals … weirdness
NASA's Hubble Space Telescope has taken the closest-ever look at a distant quasar. The new images reveal complex blobs and filaments around the quasar.
December 16, 2024
Webb finds smallest asteroids yet in the asteroid belt
Astronomers have discovered 138 of the smallest asteroids to date in the asteroid belt between Mars and Jupiter. All of them are within 10s of meters in size.
December 14, 2024
