The solar system has many more moons than the one we can see in the sky. But how many do we actually know about? And how many ...

A telescope in Chile recently glimpsed 3I/ATLAS' glowing tail, which observations reveal has grown as the interstellar object ...

Scientists have traced high-speed electrons back to the sun, discovering their origins in two types of solar explosions.

Travel through time to witness some of the most remarkable episodes in our solar system's history, uncovering its ancient ...

The solar system is 4.54 billion years old, based on rock dating. Gas giants (Jupiter and Saturn) likely formed first. Ice giants (Uranus and Neptune) probably formed next. Rocky planets formed ...

The samples, which were scooped up by NASA's OSIRIS-REx spacecraft during a brief yet dramatic touchdown on Bennu in 2020, ...

How many moons are in the solar system? Speaking of which, it's time to test your knowledge of our stellar neighborhood with our solar system quiz. If you need a hint, click the yellow button.

Most meteorites are made of tiny beads of glass that date back to the earliest days of the solar system, before the planets were even formed.

Imagine if our moon was swapped with each planet in the solar system—what crazy changes would happen? Hyundai plant shut down after hundreds of workers arrested in massive ICE raid ...