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We’re getting better at seeing asteroids that may hit Earth
Astronomers are getting better at spotting asteroids, such as the asteroid that hit Earth near the Philippines on September 5, 2024. Read more.
September 19, 2024
New Cloud Atlas of Mars for cloudspotting on the red planet
Want to do some cloudspotting on Mars? Researchers in Germany have created the new Cloud Atlas of Mars, with 20 years of images from the Mars Express orbiter.
September 18, 2024
Dark matter black holes could make Mars wobble
MIT researchers believe dark matter exists in the form of tiny black holes. Those black holes may cause Mars' orbit to wobble, making them detectable.
September 17, 2024
Scientists recreate exotic Martian ‘spiders’ for 1st time
NASA scientists say they have confirmed a theory about how Martian 'spiders' form in the southern polar regions: erupting bursts of carbon dioxide gas.
September 17, 2024
LIVE MONDAY: Space junk with Jonathan McDowell
Astrophysicist Jonathan McDowell will discuss humans' unexpected impacts on space LIVE with EarthSky at 12:15 p.m. (17:15 UTC) on Monday, September 16. Join us!
September 15, 2024
Black hole duo will merge in a distant galaxy
A black hole duo is headed for a collision. The active central black holes of 2 distant merging galaxies are only 300 light-years apart.
September 13, 2024
Why are Mars’ polar caps different from each other?
Mars' polar caps are generally similar, but they also differ in some some ways. A new study shows how the differing sublimation of CO2 ice plays a role.
September 13, 2024
Question mark galaxy? Gravity lens creates cosmic graffiti
An unusual occurrence of gravitational lensing created this view of a question mark galaxy. The discovery reveals details about early galactic evolution.
September 13, 2024
Jupiter’s moon Io has a new volcano! See pics here
Jupiter's moon Io has a new volcano! The volcano appears in Juno spacecraft images from February 2024. Streams of lava and sulfur stains mark its flanks.
September 12, 2024
Watch a star’s surface bubble in fantastic video and images
For the 1st time, astronomers have watched a star's surface bubble in magnificent detail. The bubbling is hot gases on a star 178 light-years away.
September 12, 2024
