Norfolk Southern train cars derail, spilling diesel and oil; 2 taken to hospital
Two Norfolk crew members were briefly hospitalized after the crash.
Deadliest volcano in Western Hemisphere shows signs of increased activity
An eruption in 1985 caused the deaths of more than 25,000 people.
Avian flu kills 3 California condors in northern Arizona
The California condors are part of a population that moves throughout northern Arizona and southern Utah, including Grand Canyon National Park.
Tribe warns U.S. government against moving ahead with Arizona mine
A U.S. government attorney said during last month’s hearing of a full panel of the 9th Circuit Court of Appeals that the final environmental impact study for construction of the mine at Oak Flat, Arizona, could be published this spring.
Scientists find ‘mountains,’ variable structures near Earth’s core
Samantha Hansen, a lead researcher, said the team was surprised by how “abundant” the structures were, finding evidence all over the southern hemisphere.
Arizona tribe, US officials reach deal to save Colorado River water
The $233 million pact with the Gila River Indian Community is part of a broader effort to get states that rely on the Colorado River to substantially lessen their water use.
Rare disease found in Colorado fish urges warning as ‘Sandy Flesh’ spreads West
It's the first time myofibrogranuloma, also known as Sandy Flesh disease, has been found in the state, Colorado Parks and Wildlife said.
Dramatic photos show how storms filled California reservoirs
Water levels fell so low in key reservoirs during the depth of California’s drought that boat docks sat on dry, cracked land and cars drove into the center of what should have been Folsom Lake.
Here's what really happens to your used clothing donations
Overall, only about 15% of used clothes and other textile waste is recycled in the U.S., according to EPA data. Here’s how to make sure your old clothes have the best impact.
A look at Bartlett Dam as Arizona releases water after wet and snowy winter
Because of our wet and snowy winter, Arizona has seen water releases from Valley dams that we haven't seen in years, including Bartlett Dam north of the Valley. So much water has been released there this year, it's equivalent to draining and filling Bartlett Lake three different times. FOX 10's Troy Hayden got special access to the dam to see how it all works.
Here's why there could be pink snow at Yellowstone this summer
Visitors can see a variety of colorful snow patches, including pink, green, orange, and brown at different areas of Yellowstone Park this summer.
Teens value working for companies with positive environmental impact: Survey
A survey of high schools on what’s important to them in their future careers found they prioritize purpose, specifically addressing sustainability, hunger, and environmental concerns.
Hawaii considers tourist fees to help protect its natural environment
“All I want to do, honestly, is to make travelers accountable and have the capacity to help pay for the impact that they have," one Hawaii lawmaker said.
Gas prices could hit $4 a gallon after OPEC production cut
As of Monday, regular gasoline averaged roughly $3.50, according to AAA. If Flynn's prediction holds, it could mean gasoline prices will climb above $4 per gallon as summer nears.
Saudis, others cutting oil production could spike prices worldwide
Higher oil prices would help fill Russian President Vladimir Putin's coffers as his country wages war on Ukraine and force Americans and others to pay even more at the pump amid worlwide inflation.
Prehistoric sabertooth skull found in Iowa likely last of species to walk Earth, researchers say
Radiocarbon dating indicates the male sabertooth cat died at the end of the Ice Age between 13,605 and 13,460 years ago before getting buried in the East Nishnabotna River in southwest Iowa.
Plants can make noises when under stress, study says
Researchers said when plants were dehydrated or cut, the sounds emitted were louder than when they were left alone.
Protecting Earth: Busch Light and retired NASA astronaut team up to give back to the planet
Retired NASA astronaut Doug Hurley explains how beer lovers can enjoy a beverage and save the planet at the same time.
An Arizona dairy farm is turning cow manure into renewable natural gas
Butterfield Dairy Farm in Buckeye, Arizona is turning cow manure into renewable energy that has the potential to power thousands of homes.
Train derailment in western Minnesota: Fires still burning hours after crash
More than a dozen rail cars on a BNSF train derailed near Raymond, Minnesota, early Thursday, with several derailed tankers carrying ethanol starting on fire.