Largest shark ever tagged by research group spotted off Florida coast

Researchers are tracking what may be the largest male white shark ever tagged by OCEARCH, with recent signals coming from off Florida's east coast near Jacksonville.

VIDEO: Massive and strange fish stranded along Florida coast. What is Mola Mola fish?

A huge Mola Mola fish, also known as an ocean sunfish, found itself stranded near the Florida coast. What's a very large and strange fish. Here's what it is.

DC's giant pandas Bao Li and Qing Bao make National Zoo public debut

Washington, D.C.'s panda drought ended Friday when three-year-old giant pandas Bao Li and Qing Bao make their public debut at the National Zoo.

Watch: 'Cutest, spikiest, tiniest crab’ takes the internet by storm

A juvenile king crab discovered during a deep-sea coral sampling operation in the Gulf of Mexico has become an internet sensation after NOAA Fisheries posted a video showcasing its unique appearance.

'Dinosaur highway' unearthed in England, dating back 166 million years

A worker's discovery of nearly 200 dinosaur tracks in a limestone quarry in Oxfordshire, England, has unveiled a 166-million-year-old "dinosaur highway."

New monster tarantula species is 'hairy giant among dwarves'

Biologists have discovered a new tarantula species in Cuba that is bigger and hairier than other spiders in its genus.

Lost penguin’s 2,000-mile journey to Australia ends with return to Southern Ocean

The emperor penguin, dubbed Gus, had somehow swam over 2,000 miles from his icy home and was found on a sun-drenched beach in Denmark, Western Australia, earlier this month.

Snake found slithering inside Hawaii Christmas tree shipment

Shop workers unloading a supply of Christmas trees in Hawaii found an unexpected visitor hiding within the shipment.

Watch: Great white shark swims close to Australian surfers

A group of surfers had a close encounter with a great white shark off the coast of Emerald Beach, New South Wales, on November 13.

Escaped monkeys update: More than half safely recovered, several still on the loose

Officials in South Carolina have recaptured over half of the 43 Rhesus macaques that escaped from the Alpha Genesis research facility in Yemassee last week.

Volcanic ash from Mexican volcano spotted over Florida

Popocatépetl is Mexico’s most active volcano and has been erupting for decades about 45 miles southeast of Mexico City.

Famous Alaska volcano sees seismic unrest after more than 30-year slumber

Several small earthquakes have been detected around Mt. Spurr this past week, prompting the Alaska Volcano Observatory to raise the volcano's alert level to "yellow" from the base green.

Should elephants be considered people? A Colorado court may decide

An animal rights group has asked the court to decide whether five elephants that have lived at the same Colorado zoo for decades are considered persons under the law.