LONG LIFE: Grizzly Bear 168 went from 450 pounds as a 5-year-old to 170 pounds when he was euthanized last year. He had just a couple teeth but was still on the prowl, gumming calves to death. Rangers say he sired at least three litters and outlived every female in the park by four years.
The Chicago Department of Public Health announced Tuesday that four more states have been added to the city's travel quarantine list.
It may still be summer for another couple of weeks, but some of the U.S. appeared to skip straight to winter weather over Labor Day.
After a slumber that stretched for more than six years, a geyser at Yellowstone National Park erupted once again last week.
The 72-year-old unnamed woman got within 10 feet of the bison “multiple times” while at her Bridge Bay Campground to take photos before it attacked, the National Park Services wrote in a press release.
A woman who illegally entered Yellowstone National Park on Tuesday has suffered burns after accidentally falling into a thermal feature near its Old Faithful Geyser, officials said.
Coal production in the United States is expected to drop 25 percent in 2020.
Joe Biden won Wyoming's Democratic presidential caucus in a vote that was delayed two weeks and scaled to just mail-in votes.
Several national parks are now closed to stop the spread of coronavirus.
An attempt to break the world record for most sparklers lit simultaneously failed on a technicality.
The North Carolina native has just been named the very first female chief ranger at Yellowstone National Park.