Scientists have long suspected this was a relatively peaceful process, with showers of primordial solids slowly raining out ...

Little pieces of the 4.5 billion-year-old Asteroid Bennu are saying a whole lot about the history of the solar system. As the first asteroid samples to return to the U.S. for research, particles from ...

Comet 3I/ATLAS, an object from another star that was found speeding through our solar system last summer, is now fading from ...

The standard story of the origin of our solar system has gone like this: 4.6 billion years ago, a giant cloud of dust hung frozen in space. Then the explosion of a nearby star caused part of that dust ...