Rather than slowly condensing over millions of years, the first building blocks of Earth and other planets may have formed ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist’s concept shows the inner regions of a ...

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 ...

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 ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...