Shark takes huge bite out of surfer’s board: 'It bit right behind him’
An Australian surfer narrowly escaped injury after a shark bit his board in half.
See the clearest photo yet from the surface of Mars
NASA says its Perseverance rover on Mars has transmitted new imagery that forms one of the sharpest panoramas of the Martian surface to date, offering scientists valuable insight into the Red Planet’s terrain.
Toothpaste made from hair could help repair teeth, scientists say
Researchers at King’s College London say keratin, a protein found in hair, can protect and repair tooth enamel — and may soon be used in toothpaste or gels.
A rare ‘Black Moon’ set to rise this week: What to know
Stargazers will soon get the chance to experience a rare celestial event known as a Black Moon, set to occur this week.
Black bear crashes vacation, takes a dip in Tennessee hot tub
Caught on camera: A black bear recently turned a Tennessee hot tub into its personal spa.
Bat colony found in Grand Teton lodge, possibly exposing hundreds to rabies
Hundreds of people could potentially have been exposed to rabies during their summer vacation at Grand Teton National Park.
Hiker made fatal mistake when encountering venomous snake, officials say
Emergency responders performed CPR after witnesses said the hiker picked up a rattlesnake.
Air and Water Show rehearsal dazzles in Chicago sky
Friday was rehearsal day for the Chicago Air and Water Show, and for some people, it's the best day to be on the lakefront.
Chicago Air and Water Show: The science and engineering behind the stunning stunts
The Chicago Air and Water Show is one of the city’s most exciting summer events, drawing huge crowds to watch amazing stunts in the sky and on the lake. But behind the thrilling performances is a lot of fascinating science and engineering that makes it all possible.
Oldest-ever Great Lakes lake trout recorded in Lake Superior
The best way to measure how old a fish is is by counting the number of rings formed on a chunk of calcium living in its inner ear. This lake trout, named Mary Catherine, had 62 rings.
Video: Florida alligator devours python in Everglades
An alligator in the Florida Everglades was seen doing its part to combat the invasion of Burmese pythons in the region, chomping on the limp body of one of the massive snakes and swimming off with the meaty catch.
Wild rabbits spotted with strange 'horn-like' growths sprouting from their heads
Recently, some wild rabbits have been seen in the U.S. with "horn-like" growths spurting from their heads that are caused by a viral infection, according to experts.
Perseid meteor shower: How to view the spectacle in Chicago and when it peaks
The Perseids peak this week—but light pollution could dim the show for Chicagoland. Here's how to get the best view.
Vaping on plane: Man apologizes after Phoenix-to-San Francisco flight incident
“It sucks knowing in order to be myself, I have to have nicotine," said Peter Nguyen.
James Lovell, astronaut and Apollo 13 commander, dies
Astronaut James Lovell, who was commander of the 1970 Apollo 13 mission, has died. Here's what we know.
Curiosity rover finds more coral-shaped rocks on Martian surface
The rock was nicknamed "Paposo."
Watch: Feisty little Pomeranian chases bear out of home
A proud Pomeranian fearlessly protected his home – or more likely his food bowl – from a black bear who wandered inside.



















