About 4.6 billion years ago, our corner of space was basically just a boring cloud of gas and dust floating around, and then something amazing happened that turned this mess into the planets, moons, ...

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 ...

A newly discovered object speeding through our solar system is sparking excitement among astronomers because it’s not from around here. Believed to be a comet, the object is only the third celestial ...

Add Yahoo as a preferred source to see more of our stories on Google. A newly discovered object speeding through our solar system is sparking excitement among astronomers because it’s not from around ...