Grizzly bear that mauled Montana hunter goes missing, prompting all-out search

Officials have closed part of the Custer Gallatin National Forest in southwestern Montana after a hunter was severely mauled by a grizzly bear.

Mountain pine beetle and water-primrose among invasive species to look out for

The Michigan Department of Natural Resources' fight against invasive species has been taken up a notch with the addition of two more species to their watch list.

Deadly poison hemlock found in Michigan - what you need to know to stay safe

Poison hemlock is a highly toxic plant that can be dangerous to humans and animals if ingested. The plant has been found in multiple counties throughout the Lower Peninsula, including Allegan, Oakland, and Van Buren counties.

Michigan DNR asks residents to be on the lookout for an invasive Asian longhorned beetle

The Michigan Department of Natural Resources is encouraging residents to spend 10 minutes of their day checking the trees around their homes for the invasive Asian longhorned beetle.

National parks and hundreds of other recreation sites are free to visit Friday

The National Park System includes parks, historic sites, monuments, recreation areas, battlefields and seashores. You can visit them all for free on Friday.

Los Angeles County community under quarantine due to invasive Tau fruit fly

In order to prevent further spread, residents living in the quarantine area are urged not to move any fruits or vegetables from their property.

Woman dies after grizzly bear encounter near Yellowstone National Park

A woman was found dead in Montana on Saturday after coming into contact with a grizzly bear on a trail west of Yellowstone National Park.

Drug-addicted 'cocaine sharks' may be devouring dumped drugs off Florida coast

Thousands of sharks off Florida's coast may have ingested bales of cocaine left in the water by drug smugglers attempting to get their product into the United States.