Watch: Video shows rare fish's ability to climb rocks

The tiny fish were seen swimming, or rather "climbing" up rocks, a behavior that hadn't been seen before.

Blue heron rescued from tangled fishing line in Columbia Heights

What started as a Saturday morning on a Twin Cities lake for a man and his kids turned into a rescue operation to save a bird’s life.

See the clearest photo yet from the surface of Mars

NASA says its Perseverance rover on Mars has transmitted new imagery that forms one of the sharpest panoramas of the Martian surface to date, offering scientists valuable insight into the Red Planet’s terrain.

Toothpaste made from hair could help repair teeth, scientists say

Researchers at King’s College London say keratin, a protein found in hair, can protect and repair tooth enamel — and may soon be used in toothpaste or gels.

A rare ‘Black Moon’ set to rise this week: What to know

Stargazers will soon get the chance to experience a rare celestial event known as a Black Moon, set to occur this week.

Minnesota DNR: Please don't shoot tagged research bears

With bear hunting season just two weeks out in Minnesota, the Department of Natural Resources is reminding hunters not to shoot tagged research bears.

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.