Winter Storm Dion has brought frigid temperatures, snow, sleet and freezing rain to several states and is heading east.
Winter Storm Boreas is poised to head to the Northeast, threatening Thanksgiving travel plans.
At least four people were killed Sunday in tornadoes that swept across the Midwest, where pictures of the devastation went viral on Twitter.
Tornadoes and severe thunderstorms swept through the Midwest on Sunday, causing extensive damage.
The globe experiences lightning some 50 times a second, meaning that there is always a lightning flash somewhere on Earth, scientists said.
Stanford University scientists say severe storms will only increase, costing the U.S. billions of dollars.
Scientists are using ocean-going robots to better predict the strength of developing hurricanes.
Was Sandy's westward bend back toward the East Coast a fluke, or the new normal?
A pregnant woman struck by lightning on the 4th of July gave birth to a healthy baby.
Saturday's hailstorm in Airdrie, Canada, left accumulations of as much as 12 inches in some areas along its 10-mile trail.
At least 10 U.S. states are expected to experience the rare wind storm "derecho" as early as Wednesday afternoon. The 2012 derecho classified storm led to the death of 22 citizens due to power outages.
NASA's Solar Dynamic Observatory recently released footage of a 38-hour tornadic storm on the sun, a phenomenon known as "sun tornadoes."
Multiple twisters slammed Oklahoma City and its suburbs Friday, killing at least nine and injuring dozens of others.
A reported four tornadoes hit areas in the Midwest Thursday, resulting in damage and nine injuries in the Oden, Ark. The National Weather Service, or NOAA, forecast more storms to hit the area Friday.
The Oklahoma County Sheriff’s Office tweeted a photo of Susie, a dog found standing guard over a deceased tornado victim in Moore, Okla.
A tornado devastated Moore, Okla., late afternoon on May 20. Take a look at video captured from the air and ground.
A man in Moore, Okla., decided to record himself coming out his family's storm cellar after the deadly tornado touched ground and ravaged the Oklahoma City area.
The twister that struck Moore, Okla., was a violent one. Did climate change play a role?
In the wake of the devastating Oklahoma tornado, a number of services have been set up for finding, or providing information about, those affected.
Pictures and video of the monstrous tornado that ripped through Oklahoma on Monday.
The nation took to Twitter to mourn at least 51 people killed when a 200 mph tornado hit Oklahoma.
A massive tornado devastated Moore, Okla., destroying an elementary school.