See the invasive Australian crawfish discovered in Texas

Texas wildlife officials said they don't know when the invasive crayfish were first introduced or how far they have spread, but "they can have a negative effect on local species and biodiversity."

See it, stomp it, squish it! Fighting the invasive spotted lanternfly

When Stephen Nixon recently noticed a “beautiful” spotted lanternfly by his bag as he skateboarded in Brooklyn, he heeded the request of city officials: He stomped on it.

Great white shark encounters are increasing due to climate change

Scientists say that rising water temperatures due to climate change are allowing juvenile sharks to expand their territory.

Giant sharks once roamed the earth with a mega-appetite, research shows

Based on their digital creation, researchers calculated that the megalodon would have weighed around 70 tons, or as much as 10 elephants.

Watch: Bald eagle spotted swimming across Maine lake

A kayaker was taking a break from his morning ride when he saw the bald eagle swoop down into the water.

Gator eats gator: Paddleboarder records alligator's cannibalistic behavior
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Video recorded by a paddleboarder in Florida shows a massive alligator having another gator as a snack. Tammy Shaw said she was paddling on Silver Springs in Marion County earlier this month when she spotted an approximately 11-foot alligator that was about the length of her paddleboard. Shaw said the gator was not shy about a recent kill.

Missouri City MMA fighter faces off with alligator

A Missouri City dad heading to take his daughter to her first day of middle school runs into an alligator on their front porch. He couldn't find anyone by phone who would help, so he took matters into his own hands to keep the gator from hurting anyone.

VIDEO: Large alligators eats smaller alligator in Florida
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Tammy Shaw said she was visiting Silver Springs State Park on Aug. 4, when she saw a large alligator eating a smaller alligator. She caught some of it on cell phone video.

Alligator attacks, kills 88-year-old woman in South Carolina

The Beaufort County Coroner's Office says it believes the victim slipped into a pond located in the Sun City development and was attacked by the alligator earlier this week.

'Like winning the lottery': Alligator hunting season begins in Florida

Monday marked the first day of alligator hunting season in Florida. The 10-week season that runs from August 15 to November 1 allows for 24-hour hunting for the first time.

Mississippian breaks 25-year state record for whopping 104-pound catfish

A Mississippi man hooked a 104-pound catfish, creating a new state record. The previous record was broken in 1997, weighing in at 101 pounds.

Florida alligator hunting season: What to know

Florida's alligator hunting season begins Monday – and this time, hunters can target gators around the clock.