The newly identified cluster of Kuiper Belt objects lies about 4 billion miles from the Sun, offering fresh clues about how ...

Astronomers are closing in on one of the most tantalizing possibilities in planetary science, evidence that a previously ...

Neptune, the eighth and final planet from the sun, is known for its trails of wispy white clouds made up of crystals of frozen methane. Strong winds whip these clouds across the ice giant at speeds of ...

TEMPE, Ariz. a Quick: What’s the order of the planets in the solar system? Need a little help? Maybe the following mnemonic rings a bell: “My Very Educated Mother Just Served Up Nine Pizzas.” It’s ...

The origin of one of the rarest group of meteorites may have been identified. Researchers studying samples returned from the asteroid Ryugu found that their iron makeup is indistinguishable from stony ...

Our solar system may be small in relation to the universe, but amazingly it's still yielding new discoveries. Scientists have discovered three new moons – two orbiting Neptune and one orbiting Uranus.

The Solar system is bigger than NASA thought. There are a lot of huge objects at the edge of the solar system that we have not seen but can indirectly estimate. When astronomers say Kuiper Belt Object ...

Scientists have observed that some of Neptune's Trojan asteroids are deep red, possibly revealing what asteroids may have been like in the early days of the solar system. When you purchase through ...

This is Neptune. The windiest, most brutal planet you'll see in the Solar System. No average person would ever want to visit ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The ice giant’s ...