For decades, the moon’s subtle gravitational pull has posed a vexing challenge—atomic clocks on its surface would tick faster than...
Mars and Jupiter are cozying up in the night sky for their closest rendezvous this decade. They’ll be so close...
Magnetic fields are everywhere in our solar system. They originate from the sun, planets, and moons, and are carried throughout...
ESA’s star-surveying Gaia mission has again proven to be a formidable asteroid explorer, spotting potential moons around more than 350...
The dark areas in this image of the Carina Nebula are molecular clouds. NASA, ESA, N. Smith (U. California, Berkeley)...
China achieved a historic feat by bringing back the first-ever sample from the lunar far side in June 2024. It’s...
Curious Kids is a series for children of all ages. If you have a question you’d like an expert to...
The formation of Earth’s continents billions of years ago set the stage for life to thrive. But scientists disagree over...
Like a supersonic jet being blasted with high-speed winds, Earth is constantly being bombarded by a stream of charged particles...
While the moon lacks any breathable air, it does host a barely-there atmosphere. Since the 1980s, astronomers have observed a...
One of NASA’s key priorities is understanding the potential for life elsewhere in the universe. NASA has not found any...
When two black holes collide, space and time shake and energy spreads out like ripples in a pond. These gravitational...