Every day, a NASA program quietly recalculates the orbits of thousands of space rocks and flags each one that will pass within roughly 4.6 million miles of Earth. That distance, about 19.5 times the ...

The Orionid meteor shower, caused by remnants from Halley’s comet, peaks this week. A large moon will dim visibility until it sets late at night.

It is considered the most popular meteor shower of the year, and it is set to peak on a moonless night. The Perseids meteor shower is an annual celestial event that normally occurs in the latter half ...

Both the Draconid and Orionids meteor showers peak this month. Here's when and how you can watch them. (AP Photo) ...

The Orionid meteor shower is set to peak Oct. 21-22, but will be active until Nov. 7, NASA says.

The annual Orionids meteor shower will peak Wednesday night and into Thursday morning.

Update: NASA successfully crashed the spacecraft into the asteroid. Read more about the collision here. NASA scientists are gearing up for the world's first mission testing planetary defense — and ...

Despite the fact that this meteor shower seems to come from the constellation Orion, meteors can fly in various directions. According to NASA, the best place to see long meteor trails would be about ...

The Orionids—one of two major meteor showers caused by remnants from Halley's Comet—will peak this week, though a large moon will dim visibility until after it sets late at night. During the peak ...