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Is cosmology at a tipping point? Is new physics ahead?
The standard model has done an exceptional job explaining cosmology. But there are problems. Will new observations be a tipping point toward new physics?
September 24, 2024
SKA telescope gets its ‘1st fringes’
The SKA telescope SKA-Low has successfully measured a correlated signal using 2 of its stations. Astronomers call such a measurement "1st fringes."
September 24, 2024
Mars mission to send Blue and Gold satellites to red planet
The Mars ESCAPADE mission will study the red planet's magnetosphere using a pair of small satellites. ESCAPADE will launch no earlier than spring 2025.
September 22, 2024
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
