Record-smashing daytime temperatures near 100 degrees are expected for millions from the Plains to the East Coast this week, while nighttime temperatures may stay above 80 in some metropolitan areas.

Thunderstorms packing destructive winds and torrential rain will be relentless along the edges of a ridge of high pressure encircling the central and eastern states through late June.

Severe storms hit NYC Thursday, delaying flights and downing trees. A 15-year-old boy was struck by lightning in Central Park but survived with minor injuries.

Four private astronauts are waiting to launch into space as NASA and its international partners work to seal a leak that sprung up on the International Space Station earlier this month.

Thunderstorms that erupt through Thursday evening in the Midwest and eastern United States can be especially strong as some can bring damging wind gusts and perhaps tornadoes, in addition to the ...

Hurricane Erick slammed into Mexico’s Oaxaca state as a dangerous Category 3 storm Thursday morning, unleashing powerful winds at the coast and heavy rains that have caused deadly flooding in the ...

Haiti is one of five countries facing extreme famine and the risk of starvation in the coming months unless urgent humanitarian action is taken.

A rare severe thunderstorm warning was issued for Juneau, Alaska Monday, as a video of a possible tornado emerged.

NASA has announced that an asteroid about 200 feet in diameter is now slightly more likely to crash into the moon.

Rounds of thunderstorms will form a "ring of fire" around a massive dome of building heat in the central and eastern United States into next week.

Significant flooding in northern West Virginia has claimed the lives of at least six people, including a 3-year-old. Crews continued the search for those missing on Monday morning.