Water levels on the Merced River jumped significantly over the weekend after an atmospheric river dumped torrential rain.

Astronomers and meteorologists measure Earth's seasons differently, which is why their winter start dates are nearly three ...

A Falcon 9 launched a joint U.S.-European satellite to monitor sea levels Nov. 17, extending a record of measurements that ...

A young humpback whale stranded alive on the beach near Yachats drew overnight crowds and a frantic rescue effort, but marine ...

The carcass of a sperm whale washed ashore on Nantucket, prompting recovery operations Sunday by officials and wildlife ...

NOAA did not renew a contract that supported a handful of seismic stations in Alaska. This could hamper tsunami warnings for ...

Geomagnetic storms occur when charged particles from the sun collide with Earth’s atmosphere, creating auroras.

The National Oceanic and Atmospheric Administration (NOAA) has issued a geomagnetic storm warning for Nov. 12 that could ...

According to the NOAA's scales for the strength of a geomagnetic storm, the northern lights are visible as far south as ...

A severe geomagnetic storm watch was issued by NOAA on Tuesday in response to recent coronal mass ejections from the sun.

(NEXSTAR) — An incredibly strong geomagnetic storm brought the northern lights into California, Arkansas, and even Florida, ...

When fast-moving particles and plasma slam into Earth’s magnetic field, they can temporarily disrupt the power grid. Space ...