Our solar system has two ice giants, Uranus and Neptune, but there may have been a third. According to a new study published ...

A complex form of carbon crucial for life on Earth has been spotted outside the solar system for the first time. Its presence helps show how the compounds needed for life could come from space. The ...

Solar system formation got its most precise explanation yet: a new Max Planck study traces all six carbonaceous chondrite ...

From meteorites that impact Earth, to a moon that orbits backwards, to an imposter lurking in the asteroid belt, a variety of strange, wandering worlds are rewriting what we know – and even how we ...