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

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 ...

Scientists from MIT and their colleagues have estimated the lifetime of the solar nebula — a key stage during which much of the solar system evolution took shape. This new estimate suggests that the ...

Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with ...