Scientists in Australia detected a brief, powerful radio burst from NASA’s Relay-2 satellite, which has been inactive since ...

A sprawling high-pressure system, also known as a heat dome, is settling over the U.S. during the first full week of summer, ...

A man in his 20s was injured by a lightning strike while standing in the waters off New Smyrna Beach on Friday afternoon, ...

Grand Canyon National Park has launched a satellite-based emergency alert system, which allows visitors to receive real-time alerts about flash flooding and other hazardous events in cell service dead ...

Indianapolis residents came upon a rather sizable and spherical object that flew into their neighborhood Wednesday evening, ...

A 1-year-old baby boy is the first confirmed death from Hurricane Erick, after the category 3 hurricane made landfall on the southwestern coast of Mexico Thursday morning.

Three rivers in Yellowstone National Park are temporarily closing early in the day due to warm water temperatures and low flow.

Intense thunderstorms are possible across the Dakotas, Minnesota, northern Wisconsin and Michigan's Upper Peninsula beginning Friday afternoon through Friday evening.

A heat dome is bringing high temperatures and high humidity to much of the country through next week. Some heat records set ...

Kilauea kicked off summer with a bang, erupting in the wee hours of the morning on Friday. It's the volcano's 26th eruptive episode since Dec. 23.

In the famous hurricane year of 2004 when four major storms hit Florida, the first named storm appeared in the tropics on ...

Dangerous heat wave roasts northern tier and central U.S. before moving east this weekend. Meanwhile, nighttime severe ...