Dry weather will linger across the Northeast, with rising humidity by late weekend bringing a higher risk of pop-up storms. Smoke may cause hazy skies and air quality issues near the Great Lakes.

NASA astronaut Don Pettit captured the Milky Way and two distant galaxies in a single long-exposure image taken from the International Space Station.

Persistent rounds of severe thunderstorms will set up across portions of the Plains as the heat dome strengthens across the western US ...

The fate of the dry and comfortable weather in the Northeast this week will depend on how well a dry air wedge pushes off showers and thunderstorms to the south.

As cooler air sprawls in the eastern United States, heat will throttle up in the zone from west of the Rockies to east of the Interstate 5 corridor in the week ahead. The heat and winds will spur new ...

Areas just east of the Rockies can expect a nearly daily dose of severe thunderstorms into early next week ahead of a new heat dome to build--this time over the western United States.

From high winds to flash flooding, a wide swath of the U.S. faces multiple severe weather threats through the end of July, AccuWeather meteorologists warn.

The alerts sparked frantic evacuations in Hawaii, where many recall the horror of the catastrophic tsunamis that caused unimaginable damage and untold loss of life around the Indian Ocean in 2004 and ...

Three areas are being monitored for tropical development through early August, including a risk off the Southeast coast.

A 515-mile-long lightning strike that traveled from Texas to Missouri has been confirmed as the new world record.