Space & Physics

Although astronomers have found thousands of exoplanets, the number of confirmed exomoons—and exorings—is still zero. But that may soon change

Asteroids, exploding stars, and feasting black holes swarm in the first-ever batch of nightly alerts from the Vera C. Rubin Observatory in Chile

Astronomers captured this stunning image of the Milky Way’s center, revealing a web of gas, dust and stars in extraordinary detail

This disclosure comes about a month after NASA made the decision to evacuate the four members of Crew-11 from the International Space Station

A new study explains why basketball shoes make a high-pitched squeaking noise when they rub against the hardwood. The ridges on their sole hold the key

A baby sunlike star blowing a bubble of hot gas called an “astrosphere” was captured for the first time by NASA’s Chandra X-ray Observatory

Fresh observations from the James Webb Space Telescope show how vivid auroras surge through Uranus’s tilted magnetic field

A surprising FDA reversal on Moderna’s mRNA flu vaccine, early promise from a universal inhaled vaccine, and a desert fossil find that is reshaping spinosaurid history.

Just a day after NASA set a March 6 target date for its upcoming moon mission, the agency’s head announced it will roll back Artemis II’s rocket from the pad entirely

A satellite captured a recent “ring of fire” eclipse from a stunning new angle

On Thursday the U.S. president ordered the release of federal files related to UFOs and aliens, although no evidence of extraterrestrials visiting Earth is known to exist

After completing a second “wet dress rehearsal” of its upcoming moon mission, NASA said it is targeting a March 6 launch date for Artemis II