NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

Folks, it's official: the object that astronomers recently spotted blowing through the outer solar system came from ...

Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...

NASA telescopes in Chile have discovered a comet from interstellar space, making its closest approach in October.

Astronomers have revealed new research showing that millions of new solar system objects are likely to be detected by a brand-new facility, which is expected to come online later this year.

An accidental discovery might change how we think about one of the most mysterious structures in our solar system. The Oort Cloud, a large expanse of icy bodies revolving around the sun at a ...

TNOs are bodies in the solar system that orbit the Sun beyond Neptune, which is 30 times more distant from the Sun than the Earth. A preprint describing the discovery is hosted on the preprint ...

At an epic timescale "comparable to the age of the solar system," which is 4.6 billion years old, the researchers believe that the spiral arms formed when "small bodies" were pushed out of the ...