We usually think of satellites as small objects orbiting planets or stars. But in the broader universe, galaxies themselves ...

A minor, 2.7-magnitude earthquake struck in New Jersey on Tuesday, according to the United States Geological Survey. The ...

A moderately strong, 5.8-magnitude earthquake struck in Mexico on Saturday, according to the United States Geological Survey.

A Dartmouth-led study identifies potentially more that 300 small galaxies orbiting low-mass systems known as dwarf ...