When scientists cracked open the first grains from asteroid Bennu, they expected a time capsule of rock and dust. What they ...

Something strange is happening on the outskirts of our Solar System. It could be a large, mysterious planet. Or, it could be ...

In the distant space out beyond the orbit of Jupiter lurks a strange object. Its name is Chiron, a type of outer Solar System body known as a centaur. But even among its fellow centaurs, Chiron is ...

You might think we know the solar system pretty well, but there's a lot more to our cosmic neighborhood than initially meets the eye (or telescope). Most of the good stuff, such as the planets, moons ...

Object 3I/ATLAS is now too far from Earth to aim a telescope at, but prior observations showed some unusual behavior. The anomalous nature of the object led astrophysicist Avi Loeb to apply a thought ...

A large asteroid-comet hybrid that orbits between Neptune and Jupiter is an intriguing oddball as far as cosmic rocks go. Chiron, as the strange centaur is called, is what astronomers call a minor ...

Astronomers observing the visiting comet have detected shifting jet structures inside an unusual anti-tail, offering fresh insight into material formed beyond our solar system.

Our solar system is a weird place. Much more than a home to eight planets, it’s filled with a myriad of fascinating other smaller bodies, including moons, asteroids, and comets. In recent decades, ...

Rings are special, dazzling rarities in our solar system. Now, astronomers have found that an extremely distant world — beyond even Pluto's orbit — is encircled with unusual rings. Scientists reported ...

From Mercury to Pluto (and maybe even Planet Nine), here are some of 2023's most intriguing discoveries about the planets, moons and other bodies in our solar system. When you purchase through links ...