Are poinsettias and mistletoe really dangerous?

Learn the truth about the safety of popular holiday plants like poinsettias, mistletoe, and holly. Are they as dangerous as you’ve been told, and what precautions should you take?

Monarch butterfly: Should they be given federal protections?

Depending on where they live in the U.S., some monarch butterfly populations could face extinction by 2080 if they aren’t extended federal protections, one expert said.

World's oldest known wild bird lays egg at 74 years old

The U.S. Fish and Wildlife Service's Pacific region says the 74-year-old Laysan albatross returned to the Midway Atoll National Wildlife Refuge in late November to lay an egg.

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.

Photos: See lone emperor penguin 1st to swim from Antarctica to Australia

A lone emperor penguin was found malnourished on a popular beach after making the shocking 2,200 mile swim from Antarctica to Australia.

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.

60 rare Siamese crocodiles hatch in Cambodia’s Cardamom National Park

Sixty critically endangered Siamese crocodiles hatched in Cambodia’s Cardamom National Park this summer, marking the largest wild breeding record of the species this century.

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.

Controversial black bear hunting season begins in NJ as population surges

A controversial hunting season is underway in New Jersey as wildlife officials warn that more black bears could cause dangerous results throughout the state.