Victims of Bucks County flash flooding identified amid search for two missing children

Officials have identified five people who died over the weekend when flash flooding swept through areas of Bucks County, leaving a mother dead and two children missing. 

A look at how the desert city of Phoenix copes with summer heat

The country's preeminent desert city has long sweltered through brutal heat. And there are lessons to be learned from people who live in a city so hot it's named after the mythical bird that was born from flames.

Passengers aboard Las Vegas flight pass out while awaiting takeoff in triple digit temperatures

Passengers aboard a Delta Air Lines flight to Atlanta were waiting in 111-degree heat with no air conditioning when the pilot announced the plane had to return to the gate due to multiple emergencies.

Missing children identified after flash flooding kills 5 in Bucks County

A 9-month-old boy and his 2-year-old sister are still missing after devastating flash flooding claimed the lives of five people in Bucks County over this weekend.

California's Death Valley sizzles, temps reach 128 degrees

Temperatures in Death Valley, which runs along part of central California’s border with Nevada, reached 128 degrees Fahrenheit on Sunday.

Watch: New Hampshire road buckles during flash flood

Warnings for heavy rainfall and “considerable flash flooding” were issued for areas in New York and New England, including New Hampshire, on Sunday.

Country star Jason Aldean suffers heatstroke during Connecticut concert, representative says

The opening weekend for country star Jason Aldean's Highway Desperado Tour was cut short when he ran offstage after suffering heatstroke during Saturday night's show in Hartford, Connecticut.

Heat wave sitting over much of US Southwest, on track to break records

About a third of Americans were under extreme heat advisories, watches and warnings Saturday, with the heat expected to continue into next week.

Philadelphia Weather Alert: Muggy, warm Friday night ahead of hot Saturday

Overnight into Saturday will remain humid and will see lows dipping to the upper 60s to mid-70s. A few scattered thunderstorms can’t be ruled out as the night wears on.

Subtropical Storm Don forms far out in Atlantic Ocean

Subtropical Storm Don has sustained winds of 40 mph with higher gusts, but is far from any shore.

Despite heat wave, people are flocking to the hottest place on Earth

Temperatures in the largest national park in the Lower 48 states are expected to intensify over the weekend, potentially setting new records amid a major U.S. heat wave.

Man drowns at home in Vermont's 1st recorded flooding death

The 63-year-old man's death was the second flood-related death related to a storm system and heavy flooding in the Northeast this week. The first occurred in New York when a woman died after being swept away during a flood.

Why the Northern Lights this week were a bust: Curbing misinformation

Over this past weekend, a story made the rounds that was predicting "widespread" and "brilliant" Northern Lights several days away for much of Canada and the northern U.S. Here's what it got wrong.