A 7-ton, 6-foot diameter meteor exploded over Ohio on March 17, causing a sonic boom and possibly raining meteorites over a portion of Medina County. A week later, more fireball meteors were caught on ...

NASA's Advanced Composite Solar Sail System (ACS3) will be visible from the ground. Find out when you can see it on the NASA ...

A rare daytime fireball that streaked across the skies over parts of northeastern America Tuesday afternoon was a meteor, NASA said. More than 200 eyewitness reports were submitted to the American ...

Learn how glaciers melt and contribute to seas rising in this animated explainer from NASA's Jet Propulsion Laboratory.

The new flagship telescope will work with the James Webb and Hubble telescopes to study dark energy and search for exoplanets. The telescope's primary mission is expected to last five years, with a ...