Look up at a clear night sky long enough and you might catch sight of a faint smudge of light drifting past the stars, or perhaps a rocky flash burning up in the atmosphere. Both comets and asteroids ...

The night sky occasionally offers a reminder that the Solar System is far from empty. Bright comets appear with glowing tails, while reports of passing asteroids often make headlines. Although the two ...

Our solar system is full of floating space debris. Depending on what they're made of and where they come from, they have different names. Let's find out what are asteroids, meteors, meteorites and ...

Have you ever been out at night and seen a streak of light blast across the sky and disappear? Ever wonder where that shooting star came from, or how it got to be in your sky? As the director of the ...

Add Yahoo as a preferred source to see more of our stories on Google. A near-Earth object that astronomers believed was an asteroid for nearly three decades has been unmasked as a faint, active comet, ...

Add Yahoo as a preferred source to see more of our stories on Google. This artist's concept depicts a near-Earth asteroid with an elongated orbit. A few objects such as these can exhibit significant ...