A team of astronomers has caught glimpses of gas giants forming around a very young star. The nascent giants are…
Can one type of planet become another? Can a mini-Neptune lose its atmosphere and become a super-Earth? Astronomers have found…
The Moon has orbited Earth since the Solar System's early days. Anyone who's ever spent time at the ocean can't…
When young stars coalesce out of a cloud of molecular hydrogen, a disk of leftover material called a protoplanetary disk…
Mercury is the speed champion in our Solar System. It orbits the Sun every 88 days, and its average speed…
If we had to rely solely on spacecraft to learn about the outer planets, we wouldn't be making great progress.…
Consumption and disintegration. Next time you want to be the life of the party—if you're hanging out with cool nerds…
If a solar system is a family, then some planets leave home early. Whether they want to or not. Once…
Everything in space is moving. Galaxies collide and merge, massive clouds of gas migrate, and asteroids, comets, and rogue planets…
Scientists have learned a lot about the atmospheres on various worlds in our Solar System simply from planetary sunrises or…