The park has been closed since floods washed away roads, damaged buildings and knocked out water and power to parts of the park and communities nearby. The park's northern loop will remain closed.

The park has been closed since floods washed away roads, damaged buildings and knocked out water and power to parts of the park and communities nearby. The park's northern loop will remain closed.

The company that makes Sriracha told customers it will have to stop making the sauce for the next few months due to "severe weather conditions affecting the quality of chili peppers."

The company that makes Sriracha told customers it will have to stop making the sauce for the next few months due to "severe weather conditions affecting the quality of chili peppers."

An isolated population of polar bears in southeast Greenland has learned to hunt on freshwater glacier ice. That means they may be able to survive longer as climate change makes sea ice scarce.

An isolated population of polar bears in southeast Greenland has learned to hunt on freshwater glacier ice. That means they may be able to survive longer as climate change makes sea ice scarce.

Yellowstone National Park prepares for limited reopening as surrounding communities grapple with flood damage

A group of researchers photograph a woolly mammoth tusk on the banks of the Koyukuk River in Alaska.

"Unprecedented" floods wash out bridges, basements, and roads, close hospital

All entrances are closed at Yellowstone National Park after major flooding swept away at least one bridge, washed away roads and set off mudslides.

Temperatures will rise into the triple digits across the Southwest and western U.S. this weekend. Daytime temps will be 10 to 20 degrees hotter than normal, according to the National Weather Service.

An Oregon utility has constructed a renewable energy power plant that relies on wind, solar energy and batteries to power the grid when the sun isn't shining and the wind isn't blowing.

Scientists from the U.S. and Canada are creating the first systematic baseline of winter conditions on the Great Lakes — providing important clues about how climate is affecting lake ecosystems.

Mark Ronchetti has won the GOP primary in the N.M. governor's race. He'll take on Democrat Michelle Lujan Grisham, who is running for a second term, in November.

After swiftly grabbing the top spot in the "top two" primary on Tuesday, California Gov. Gavin Newsom is favored to win reelection in November over Republican state Sen. Brian Dahle.