Solar System
Exoplanetary System Found With 6 Worlds in Orbital Resonance
200 light-years away from Earth, there's a K-type main-sequence star named TOI (TESS Object of Interest) 178. When Adrian Leleu,…
Astronomers Have Found Planet 9… in Another Solar System
Even with all we've learned about our own Solar System, especially in the last couple of decades, researchers still face…
In the Far Future, Stellar Flybys Will Completely Dismantle the Solar System
Consumption and disintegration. Next time you want to be the life of the party—if you're hanging out with cool nerds…
How did the Earth get its water? The answer might be found on Mercury
I don't know if you've noticed by now, but the Earth is a little bit wet. How Earth got all…
The Solar System has a second plane where objects orbit the Sun
Almost all the objects orbiting the sun live in a particular plane, called the ecliptic plane. But a recent analysis…
Check Out How Big the Planets and the Moon Will be in Our Sky Over the Next Two Years
Everything in space is moving. Galaxies collide and merge, massive clouds of gas migrate, and asteroids, comets, and rogue planets…
Uranus’ Moons are Surprisingly Similar to Dwarf Planets in the Kuiper Belt
Astronomer William Herschel discovered Uranus—and two of its moons—230 years ago. Now a group of astronomers working with data from…
Jupiter Probably Has 600 Small, Irregular Moons
The better our technologies get, the better we get at finding objects in space. That's certainly true of Jupiter and…
Europa’s entire icy shell shifted 70-degrees a few million years ago
The mysterious world Europa, the ice-covered second moon of Jupiter, sports deep scars that cut across its face. An international…
A Huge Ring-Like Structure on Ganymede Might be the Result of an Enormous Impact
Ganymede's surface is a bit of a puzzle for planetary scientists. About two-thirds of its surface is covered in lighter…