The U.S. National Tsunami Warning Center has issued tsunami alerts across the U.S. West Coast following a Magnitude 8.8 ...

A massive 8.8 magnitude earthquake struck off Russia’s remote east coast Wednesday local time, sending tsunami waves coursing ...

The National Weather Service urged people to avoid travel if a flash flood warning was in place for their area.

The International Space Station will fly over the eastern United States and parts of Canada just after sunset on Thursday ...

An AccuWeather forecast map showed states in the "high" risk zone for Friday included parts of Kentucky, Illinois, and Indiana. As the weekend approaches, the severe threat expands further south.

Brood XIV cicadas, appearing for the first time since 2008, are emerging in the eastern U.S. Sightings are concentrated in western North Carolina, southern Kentucky, and parts of Tennessee.

This time, billions of them will hit in at least 12 states, experts say. This brood, Brood XIV, is considered the second largest periodical cicada brood, according to the University of Connecticut.

AccuWeather's long-range experts predict that Arctic air surges could cause temperatures across much of the eastern and central United States to drop 10 to 20 degrees or more below the historical ...