As the United States prepares to celebrate its 250th anniversary, the history of the solar system tells its own story of ...

The Solar System is far more diverse in size than it appears from Earth. From tiny rocky worlds to massive gas giants, each ...

Two massive planets may have once existed in early solar system before being ejected, leaving behind evidence in unusual ...

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 ...

Every June 30th, Asteroid Day marks the anniversary of the 1908 Tunguska impact and turns global attention to the science of ...