A meteor is in the Earth's atmosphere, entering at high speed and burning up before hitting Earth. These are often called ...

Meteoroid streams are coherent groups of debris originating primarily from cometary or asteroidal fragmentation, which travel through the Solar System along similar orbital paths. As Earth intersects ...

Unique to the Orionids, NASA notes, the meteors seen during this shower are particularly fast and bright. Furthermore, they ...

A new analysis estimates that the asteroid belt is steadily losing mass each year, and may not be as permanent a feature of ...

Comets Lemmon and SWAN will be at their brightest just as the annual Orionid meteor shower produced by Halley's Comet reaches ...