Air quality maps show how Canadian wildfire smoke is affecting U.S.
Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast.
Lightning "megaflash" recognized as new world record
A lightning flash that extended 515 miles from eastern Texas to near Kansas City, Missouri, in 2017 is recognized as being the longest horizontal distance.
Video shows Grand Canyon wildfire smoke forming huge pyrocumulus cloud
The wildfire that destroyed the historic Grand Canyon Lodge earlier this month has expanded in recent days, fueled by hot, dry conditions, fire officials in Arizona said.
Maps show another day of extreme temperatures for millions
The extreme heat continues in the Midwest, the Southeast and some parts of the Northeast.
Map shows U.S. heat advisories as heat dome moves east
More than 100 million Americans are under heat alerts as the extreme temperatures that have smothered the Midwest this week arrive on the East Coast.
Roommate of Idaho murder victims tearfully speaks at Kohberger's sentencing
Dylan Mortensen read her victim impact statement through tears at Bryan Kohberger's sentencing hearing Wednesday.
Billy Joel describes symptom of brain condition as "like being on a boat"
Billy Joel told Bill Maher how he is feeling after being diagnosed with normal pressure hydrocephalus on the latest episode of Maher's podcast, "Club Random."
Malcolm-Jamal Warner, "The Cosby Show" star, dies at 54
Actor and director Malcolm-Jamal Warner, best known for his role on "The Cosby Show," has died.
New York hiking trail closed due to moose with "unusual behaviors"
A bull moose exhibiting "unusual behaviors" has forced the closure of the Goodman Mountain trail in New York's Adirondack Mountains.
Oklahoma farmer killed by water buffaloes he had just bought
A farmer in Oklahoma was killed by two water buffaloes he had purchased at a livestock auction the day before, police said.
In a flash flood, it's "very difficult to combat nature," rescue experts say
Recent flash flooding in Texas, New Mexico and North Carolina is highlighting the extreme danger of these natural disasters and the need to be prepared.
Maps show where devastating flash flooding hit Texas
Multiple parts of Central Texas, including Kerr County, were shocked by flash floods Friday when the Guadalupe River and others rose rapidly.
Ken Burns on how the American Revolution "turned the world upside down"
Filmmaker Ken Burns says the American Revolution created a "new thing called a citizen."
Missouri cereal plant worker dies after getting trapped inside oven
A male worker was found dead after getting "stuck in an industrial oven that was shut down" at a Gilster-Mary Lee cereal plant, police said.
First close-up images of Mars ridges show "dramatic evidence" of water
The new images by the Curiosity rover on Mars show "dramatic evidence" of ancient groundwater in crisscrossing low ridges, NASA said.