Nathan Rott

As millions of acres of forests burn across the state this summer, there's growing concern about what impact that might have on permafrost — and how melting permafrost might affect climate change.

With hundreds of fires burning in Alaska — some hundreds of miles from the nearest road — fire officials must decide which fires to fight and which to let burn by weighing potential t...

"Extreme." "Unprecedented." "Historic." Those are just a few of the words being used to describe the start of this year's fire season in North America.

The wildfires are centered in the northwest of the continent, but their consequences are far-reaching. Thick smoke has blanketed parts of Wisconsin and North Dakota. ...

Fans gathered in downtown Los Angeles Tuesday to cheer the U.S. women's national soccer team. They've returned home after defeating Japan on Sunday to win the World Cup.

The California Labor Commission ruled that a driver for the ride-hailing service, Uber, was an employee, not an independent contractor. The decision could have huge implications for the company.

The controversy over Rachel Dolezal's racial identity has sparked many public conversations, including one about the challenges faced by white people who are activists on racial justice issues.

Gap CEO Art Peck says the move is being made to streamline the retail giant as it moves into the future, but questions remain about its long-term relevance and outlook.

More than two dozen people are confirmed dead in flooding that's inundated parts of Texas and Oklahoma. Emergency workers are continuing to search for the missing, but more rain is expected.

The Interior Department plans to conserve millions of acres of habitat for the greater sage grouse in 10 states. The move limits areas where petroleum and agriculture development can take place.

Ireland voted today to legalize same-sex marriage, making it the first country to do so by popular vote. NPR's Arun Rath talks to Irish journalist Daniel McConnell about the results.

Workers continue to clean the coastline near Santa Barbara, where some 105,000 gallons of crude oil were spilled. Several pelicans, both dead and alive, have been found soaked in oil.

More than 30 lawsuits have been filed by boxing fans, bettors and sports bars around the country, alleging that the so-called "fight of the century," between Floyd Mayweather Jr. and ...

Investigators say the train that derailed in Philadelphia, killing 8 people, accelerated as it entered its final turn. It's not known whether it was accelerated by the engineer or another source.

The eight people killed in the derailment of Amtrak's Northeast Regional Train 188 include a Wall Street executive and a Navy Midshipman. Others are still considered missing or in critical condition.

Investigators are sifting through the wreckage trying to determine what caused the deadly accident. The NTSB says the train was traveling more than twice the recommended speed for the area.

In the lead-up to Saturday's mega-bout between premier boxers Floyd Mayweather and Manny Pacquiao, Pacquiao is widely viewed as "the good guy." It's a role the Filipino boxer knows well.

The water outlook in drought-racked California just got a lot worse: Snowpack levels across the entire Sierra Nevada are now the lowest in recorded history — just 6 percent of the long-term average. That shatters the previous low record on this date of 25 percent, set in 1977 and ...

An uptick in malnourished pups on the coast has rescue centers struggling to keep up. Changing weather patterns and warmer ocean waters could be to blame, but it's still too early to tell.

U.S. Immigration and Customs Enforcement says some wealthy foreigners seek to give birth to their children in the U.S. so they will obtain U.S. citizenship.