weather

More than 500 US flights have been canceled on Monday as winter weather bears down on a wide swath of the United States.

Close to 1,000 flights were canceled and hundreds delayed on Tuesday as a brutal ice storm continued to hit the central United States, bringing a second day of transport problems.

With extremely cold temperatures gripping much of the United States, travelers may be wondering how their planes are made safe for flying.

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Every year, Americans in snowy states wait with bated breath to see whether Punxsutawney Phil will spot his shadow. And every year, we take Phil's weather forecast -- six more weeks of winter, or an early spring? -- as gospel, meteorology be damned.

So far this week, more than 6,000 flights have been canceled within, into or out of the United States as icy weather has hit large swaths of the country.

Punxsutawney Phil -- the legendary groundhog weather watcher -- woke up and saw his shadow Thursday morning, calling for six more weeks of winter.

Even as the world smashes through one all-time heat record after another and speeds towards critical warming thresholds, brutal waves of deadly cold can still arrive in bomb cyclones that bring icy weather and deep snow -- and add fuel for those who...

Mt. Washington Observatory in New Hampshire is used to extreme weather. But the 6,288 foot summit broke new US records for wind chill after the northeastern U.S. was hit with a dangerous cold snap.

In a blink of an eye, the cold air that was in place for millions, especially in the Northeast and Midwest, is quickly departing.

CNN international correspondent Selina Wang asks Chinese Foreign Ministry spokesperson Mao Ning about the government's claims that the balloon shot down in the U.S. was a weather balloon and not a spy balloon.

Mount Washington Observatory in New Hampshire is known to have some of the wildest weather on the planet, and without a doubt, it takes the cake for the United States.

Chinese Foreign Ministry spokeswoman Mao Ning said that the balloon was an unmanned research airship that was blown off-course by weather.

A multiday severe weather threat is looming across the South while snow is set to develop across parts of the Upper Midwest, according to the FOX Forecast Center.

When US startup Make Sunsets released two weather balloons into the skies above Mexico's Baja California peninsula last year, it kicked up a fierce debate about one of the world's most controversial climate solutions.

The storms will be moving ashore in two different locations in the West.

In a statement, the Royal Canadian Mounted Police attributed the halt to poor weather conditions and a slim chance of finding anything in the 23,000 square foot lake, parts of which can be as deep as 750 feet.

A woman who had been abducted nearly a year ago while traveling across the country made a dramatic escape from her kidnapper after she concocted a getaway plan to a New Jersey gas station, authorities said Friday.

China is home to 16 of the 20 regions of the world most vulnerable to climate change, according to data published on Monday, with some of the world's most important manufacturing hubs at risk from rising water levels and extreme weather.

São Paulo state declared a 180-day "state of calamity" in response to the extreme weather, as millions traveled to the region for the Carnival holiday.