Killer whales are attacking, sinking boats and scientists are unsure why

Aggressive orcas are attacking boats in Western Europe and the increase in sightings of this behavior is confusing scientists. The latest in a series of reported incidents happened off the coast of Spain in the Strait of Gibraltar on Thursday. 

Biden administration moves to restore endangered species protections dropped by Trump

The Biden administration has proposed new rules for protecting imperiled plants and animals as officials move to reverse changes under former President Donald Trump that weakened application of the Endangered Species Act.

Titanic shipwreck: A look at notable people, companies who have made the expedition

The famous RMS Titanic sank in 1912, but the wreckage wasn’t discovered until nearly 75 years later. Since then, experts say fewer than 250 people in the world have personally viewed the Titanic site.

How deep is the Titanic? And other things to know as sub search continues

The ocean is a vast, mysterious place, with only 20% believed to be mapped and explored. Here’s a look at some significant points in the ocean.

See the bolt of lightning on Jupiter that caused an eerie green glow

Spacecraft Juno has been orbiting Jupiter for years sending back images. NASA shares the images online. Take a look at what one person discover on an image.

Mayfly swarms emerging from the Great Lakes for summer mating season

Adult mayflies don't have a mouth, only live for a couple days, and pose no threat to humans. Instead, they're flying around for a single reason: to find a mate.

Watch: Bees take over Times Square

It’s not the first time bees have invaded Times Square.

Watch: Large bison herd escorts calves across road in Yellowstone

The reddish-brown calves are born in late April and May and can keep up with the herd 2 to 3 hours after birth, according to the National Park Service.

Watch: Deer jumps into pool after wreaking havoc inside New Jersey home

Despite the bloody scene left behind by the deer, animal control officials said it was not seriously injured and the deer was shortly released back into the wild.

Scantily clad 'witches' caught munching on deer carcass in bizarre security cam footage

A nurse and nature lover in Canada reportedly captured footage of what she said appeared to be "two witches holding a carcass-eating ritual" with a camera she set up near her home.