A tiny meteorite is rewriting what scientists thought they knew about the origins of our solar system.

For example, the first mile-sized planetesimals in our solar system–which grew to become celestial bodies like Earth or Jupiter’s core–formed right after the condensation of these same ...

We can leave the Solar System, but arriving anywhere is not happening soon What if we dropped interstellar ambitions and focused on understanding our home system?

A tiny object far beyond Pluto, newly discovered by the Subaru Telescope, could reshape our understanding of the early Solar System. Named 2023 KQ14, this rare “sednoid” follows an unusual ...

The comet is only the third interstellar object ever detected from a solar system outside our own.