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.

Watch: Eagle swoops down and catches fish midair, wowing onlookers

A bald eagle put on an impressive show for a man and his friends when it swooped down and caught a fish high in the air.

Mosquitoes in Maryland test positive for West Nile virus

Health officials in Maryland have issued a warning after mosquitoes tested positive for West Nile virus.

Maryland's black bear hunt lottery now open amidst surge in local sightings

The Maryland Department of Natural Resources is now accepting applications for the 2023 black bear hunt lottery, which gives prospective hunters a shot at winning one of 950 permits to hunt the bears in Alleghany, Frederick, Garrett, and Washington counties over a six-day stretch in October.

Traps removed near Yellowstone after no sign of grizzly bear that killed woman

Wildlife workers on Tuesday halted their efforts to capture a grizzly bear that killed a woman over the weekend near Yellowstone National Park after finding no sign of the animal since the day of the attack.

Invasive hammerhead worms seen across DC region secrete same toxin found in puffer fish: professor

Look but don't touch! That's what University of Maryland Professor Michael Raupp is saying about the invasive hammerhead worm that is being spotted more frequently across the D.C. region this summer.

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.

See the rare blue frog spotted in Rhode Island

Some of Rhode Island's frog species can occasionally exhibit rare blue coloration.