Brazil's largest city plunged into night-like darkness in middle of the day

Weather News - August 21, 2019, 5:43:43 PM EDT

On a busy Monday afternoon in Sao Paulo, residents suddenly found themselves left in the literal dark, which lasted for a little more than an hour.

Tornado warnings send residents scrambling to their basements

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Burst of cooler air to make Northeast feel like fall this weekend

Weather News - August 22, 2019, 11:23:29 PM EDT

While the calendar still reflects summer, a significant cooldown is on the way for the Northeast, and it may be chilly enough for some people to reach for jackets and sweatshirts.

Boy recounts being bitten by shark off Florida coast

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Surge of tropical moisture to produce risk of flooding downpours across southern US

Weather News - August 23, 2019, 1:16:01 AM EDT

Following slow-moving downpours along the upper Gulf coast this week, a new surge of tropical moisture will lead to a proliferation of downpours and the risk of flooding along the Gulf coast as well as the interior South this weekend.

What would happen if the Yellowstone supervolcano erupted?

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Extreme heat in American Southwest runs rampant during one of the driest monsoon seasons on record

Weather News - August 23, 2019, 12:19:02 AM EDT

The American Southwest is reeling the heat with another round of record-challenging temperatures forecast during the last half of August as the region endures one of the driest monsoon seasons on record.

Residents concerned as Alaskan town has more warm, sunny days

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Underwater robots deployed and on patrol in Lake Erie

Weather News - August 21, 2019, 2:36:23 PM EDT

At a glance, they may look like torpedoes, but they're actually robots and two were recently sent on patrol in the fourth-largest Great Lake to help combat a perennial problem there.

A look at the storied 'Big Red' lighthouse on Lake Michigan

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Tropical Storm Bailu to unleash strong winds, flooding downpours on Taiwan, China this weekend

Weather News - August 23, 2019, 12:53:09 AM EDT

On the heels of four tropical cyclones that made landfall in eastern Asia so far this month, a new tropical threat has developed in the Western Pacific Ocean.

Volunteers hand out water to homeless as Phoenix heats up

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Remote area of Wyoming draws team of paleontologists every summer

Weather News - August 22, 2019, 10:15:42 AM EDT

Surrounded by mountain ranges and reachable only by a treacherous, mostly-dirt road, this special place has turned up some of the most extraordinary fossil discoveries in North America.

Hills scorched after wildfire rages through more than 10,000 acres

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UK: Record-challenging warmth to arrive for bank holiday weekend

Weather News - August 22, 2019, 9:33:46 AM EDT

The United Kingdom is set to warm up this weekend, reaching the highest temperatures of the month in time for the upcoming summer bank holiday.

New research suggests Mars was once a wet planet, teeming with life

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