A study that upended medical practice by recommending feeding babies peanut products early to prevent allergies has had a big ...

Top federal cyber unit gives agencies one week to identify and patch software compromised in a serious nation-state hack.

The National Weather Service said the EF5 twister in North Dakota packed winds stronger than 200 mph, underscoring risks that ...

It was the strongest classification of tornado and the first confirmed on American soil in a dozen years, meteorologists said Monday.

A powerful tornado struck Enderlin, North Dakota, on June 20, causing significant damage and leading to a rare EF5 ...

Meteorologists said this week that a deadly tornado in North Dakota this summer has been upgraded to a top-of-the-scale EF5, and was the first on American soil in 12 years.

For the first time since 2013, an EF5 tornado was confirmed in the United States. Yesterday, the National Weather Service in Grand Forks, North Dakota, upgraded the tornado rating of the Enderlin, ...

MADISON, Wis. - The last EF-5 tornado that touched down in the United States hit Moore, Oklahoma, in May of 2013. However, meteorologists at the National Weather Service Grand Forks have determined, ...

AUSTIN (KXAN) — A 12-year “drought” of EF5 tornadoes has ended, after the National Weather Service upgraded a tornado in North Dakota to EF5 status. The tornado touched down near Enderlin, North ...

ENDERLIN, N.D. — A tornado that killed three people this summer in southeast North Dakota has been reclassified EF5, the most damaging level for a twister. The June 20 tornado that destroyed at least ...

A deadly tornado that tore across North Dakota this summer has been upgraded to an EF5 with winds over 200 mph (322 kph), the strongest classification of tornado and the first on American soil in 12 ...