How did the first solids that made up planets, moons and asteroids form from the "hot soup" that characterized our solar system's earliest years? New research from Caltech analyzing pieces of a ...

Learn how rock and dust samples are shedding light on the origins of Asteroid Bennu and the history of the early Solar System. Little pieces of the 4.5 billion-year-old Asteroid Bennu are saying a ...

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 ...