Colorado highway closed after rattlesnakes slow efforts to fight fire

Colorado officials say loose rocks and rattlesnakes are hindering firefighters’ efforts in Clear Creek Canyon after lightning ignited a wildfire.

Don't miss the rare Blue Supermoon rising Monday

Also known as the Sturgeon Moon, the eighth full moon of the year promises a rare and breathtaking celestial sight.

Black bear euthanized after mauling toddler at Montana campground

A black bear in Montana was captured and euthanized after mauling a 3-year-old child at a private campground near Red Lodge.

Teenager going for a quick swim severely injured in shark attack

A 15-year-old girl from Aspen, Colorado, was severely injured in a shark attack while scuba diving in Belize this week, according to reports and a fundraising page set up for the teen.

'Double Arch' at Glen Canyon National Recreation Area has collapsed: National Park Service

The Double Arch, per park officials, was a frequently visited geological feature, and it collapsed on Aug. 8. Changing water levels and erosion are believed to have contributed to the collapse.

NASA: Astronauts waiting to come home might hitch ride with SpaceX crew

Two NASA astronauts who were supposed to return to Earth in mid-June may have to extend their stay for another six months and hitch a ride aboard a SpaceX spacecraft if issues with Boeing’s Starliner capsule continue.

Explosion at Yellowstone may have formed new geyser: here's how

The explosion at Yellowstone National Park’s Biscuit Basin area in July is not as uncommon as you may think as one expert weighs in on if the incident possibly formed a geyser.

August celestial events: Why the first week of August is a good time for stargazing

Discover why the first week of August is ideal for stargazing. Explore the new Moon, the Perseid meteor shower, and other celestial events that make this month perfect for skywatching.

Study: Wildfire smoke may be worse for your brain than other air pollution

Research shows wildfire smoke significantly raises dementia risk, with a 21% increase per 1 microgram of PM2.5, compared to other air pollution.

Surfer loses leg in fight with 10-foot great white shark

After the attack, Kai McKenzie managed to make it back to shore and his leg also washed ashore not long after.