Early May is a good time to watch for a powerful yet often elusive meteor shower, the annual Eta Aquariids. They're a prolific, yet often elusive for northern hemisphere observers. If skies are clear,

Somewhere in the inner solar system, an asteroid nobody has ever seen through a telescope is falling apart, scattering a trail of rocky debris across Earth’s annual path around the Sun. Every year, our planet plows through that trail,

On the night of April 21-22, sky watchers will have the chance to catch sight of several shooting stars as the Lyrid meteor shower is expected to reach its peak. The Lyrids are one of the oldest-known meteor showers. The first recorded sighting of one goes ...

The frequency of fireballs in our planet’s skies seemed to grow in recent months. NASA and other meteor experts can’t agree on what explains it.

It’s time again to check the skies for some astronomical events. Related video above: Crescent moon sets behind Statue of Liberty in New York May of this year is jam-packed with moons and meteors to catch with the naked eye.

Establishing a long-term human presence on the moon is a daunting challenge. Daunting—but not impossible. One way to help prepare for our imminent arrival is to gain a better understanding of the frequency and effects of meteorite strikes on the lunar surface.