Denali moose crash: 24-year-old driver killed

A 24-year-old international tourist was killed when he was driving and hit a moose near Denali National Park in Alaska.

SpaceX Crew-11 launches from Florida, headed to ISS: Watch replay

NASA and SpaceX successfully launched the Crew-11 mission from Kennedy Space Center in Florida on Friday, and the spacecraft is now en route to the International Space Station (ISS).

Radioactive wasp nest found at former nuclear weapons site

A wasp nest found in South Carolina had radiation levels 10 times higher than what’s allowed by federal regulators.

Florida alligator takes woman's shoe after she provoked him: 'Serves her right'

A Florida alligator got some not-so-subtle revenge against a woman who threw her shoes at it – by taking one of them with him into the water. Watch the video in the player above.

Woman mauled by bear while hiking on popular Alaska trail

A woman had to be rescued from a popular hiking trail in Anchorage, Alaska after being attacked by a brown bear this week.

Nuclear waste being transformed into promising cancer treatment

The former headquarters of the Manhattan Project, where the world's first atomic bomb was created, is now turning nuclear waste into a potential cure for cancer.

New tiny world beyond Neptune discovered, giving boost to ‘Planet Nine’ theory

Researchers use the Subaru Telescope in Hawaii to find a small object on the outer edge of the Solar System. Nicknamed “Ammonite," researchers say it could provide more evidence to the hypothetical “Planet Nine" beyond Neptune.

Transportation Secretary Sean Duffy named acting NASA administrator

U.S. Transportation Secretary Sean Duffy will dually serve as acting NASA administrator, President Donald Trump announced Wednesday.

Bear surprised by motion-activated sprinkler: Video

A black bear got quite the surprise when it activated a sprinkler in a yard in Minnesota. The hilarious moment was caught on video.

Watch: Angry elephant chases tour group during jungle safari

A wild elephant charged at tourists on a jungle safari in India, forcing vehicles to speed away in a dramatic escape.