Currently there is a third “interstellar interloper” now passing through the solar system designated as 3i/ATLAS, for the ...

3I/ATLAS is only the third known interstellar visitor, hence the prefix “3I.” The second known interstellar body, Comet 2I/Borisov, was discovered by the Russian astronomer Gennady Borisov in August ...

Fresh mapping of the outer solar system has revealed a previously unseen pattern in the Kuiper Belt, the icy ring of debris beyond Neptune that has long been treated as a relatively simple torus of ...

Researchers say the finding may also shed light on how giant planets gradually shifted to their current orbits and what interstellar conditions the solar system faced during its birth.

When a meteor streaks across the sky, it's not just beautiful. It's nature's way of delivering a time capsule to Earth.

Far beyond Neptune, at the far outer rim of our Solar System, astronomers have spotted what looks like a hidden “structure” ...