National Geographic photographer Carsten Peter talks about documenting storm chaser Tim Samaras at work in the field.

A rare, monstrous EF5 tornado that struck the United States more than three months ago was the first of its kind in more than a decade, experts announced Monday. A tornado that roared through part of ...

A deadly tornado that ripped through a rural city in North Dakota in June has been upgraded to an EF-5, the National Weather Service said Monday, marking the first U.S. twister with an EF-5 rating in ...

ENDERLIN, N.D. (Valley News Live) - It’s been nearly four months since devastation hit Enderlin, North Dakota, with the biggest weather event of the summer. “It’s one thing to be looking at a radar, ...

A deadly tornado that tore across southeastern North Dakota this summer has been upgraded to an EF5 with winds topping 200 mph, the strongest classification of tornado and the first confirmed on ...

After Friday's chaotic tornadoes tore apart Oklahoma, only two weeks after what happened in Moore, Oklahoma, the storm chasing community is mourning the loss of one of their own. Well-respected storm ...