Isle Royale National Park officials kill 'food-conditioned' wolf

A wolf in Isle Royale National Park was killed by park officials after it was witnessed several times taking human food from campsites.

Oldest-ever Great Lakes lake trout recorded in Lake Superior

The best way to measure how old a fish is is by counting the number of rings formed on a chunk of calcium living in its inner ear. This lake trout, named Mary Catherine, had 62 rings.

Video: Florida alligator devours python in Everglades

An alligator in the Florida Everglades was seen doing its part to combat the invasion of Burmese pythons in the region, chomping on the limp body of one of the massive snakes and swimming off with the meaty catch.

Wild rabbits spotted with strange 'horn-like' growths sprouting from their heads

Recently, some wild rabbits have been seen in the U.S. with "horn-like" growths spurting from their heads that are caused by a viral infection, according to experts.

Valve failure dries Lake Alice, fish die in lower water levels

A popular lake at William O’Brien State Park was overflowing late last week, but the solution ended up creating a different problem.

James Lovell, astronaut and Apollo 13 commander, dies

Astronaut James Lovell, who was commander of the 1970 Apollo 13 mission, has died. Here's what we know.

Watch: Feisty little Pomeranian chases bear out of home

A proud Pomeranian fearlessly protected his home – or more likely his food bowl – from a black bear who wandered inside.

SuperAgers over 80 show memory equal to adults in their 50s, study finds

A new Northwestern study finds some adults over 80 maintain memory and brain health on par with people decades younger, offering insight into how aging and Alzheimer’s could be delayed.

VIDEO: Florida shark, stingray get into tussle off the coast of Panama City Beach

WATCH: A shark and stingray engaged in quite the tussle last month off the shore of Panama Beach in Florida. A woman was able to capture the moment on camera.