Calgary Zoo polar bear drowns after rough play incident
A necropsy has confirmed that a polar bear at the Calgary Zoo died after rough playing with another polar bear.
Study: Wildfire smoke may be worse for your brain than other air pollution
Research shows wildfire smoke significantly raises dementia risk, with a 21% increase per 1 microgram of PM2.5, compared to other air pollution.
Surfer loses leg in fight with 10-foot great white shark
After the attack, Kai McKenzie managed to make it back to shore and his leg also washed ashore not long after.
Watch: Swarm of dragonflies invades Rhode Island beach, sends visitors fleeing
A relaxing day turned chaotic for beachgoers in Westerly, Rhode Island, as a massive swarm of dragonflies invaded Misquamicut State Beach on Saturday.
Fisherman whose boat was capsized by breaching whale speaks out: 'Was in fight or flight mode'
New Hampshire fisherman Ryland Kenney was forced to jump ship when the breaching whale landed on his boat.
Watch: Mountain goat shows off dance moves on top of Subaru
A hiker in Colorado walked back to her car only to find two mountain goats having a party on the roof of her Subaru without her.
'Dark oxygen' discovered deep in Pacific Ocean questions origins of life on Earth
Until now, scientists thought oxygen was only made using energy from sunlight. The discovery of “dark oxygen” challenges that theory.
Divers discover 19th century shipwreck containing historical artifacts in Baltic Sea
A team of Polish divers have uncovered a 19th century shipwreck brimming with historical cargo.
Geomagnetic storm watch: Did you see northern lights auroras this week? Here’s why
A geomagnetic storm watch predicted northern lights visibility as far south as New York this week. Learn what caused this rare celestial event and its potential impacts.
Bear seemingly tightrope-walks across fence in Florida neighborhood: 'Let it do its thing'
A balancing bear stole the show in a Florida neighborhood last week – and no, the circus wasn't in town!
NASA: No return date yet for astronauts aboard ISS
Two NASA astronauts aboard the International Space Station were supposed to come back to Earth in mid-June, but ongoing issues with their Boeing Starliner capsule have extended their stay.
Passenger recounts Southwest descent 150 feet above Courtney Campbell Causeway: 'I'm going to die'
FOX 13 is getting a first look from inside the Southwest plane that descended too low, just 150 feet above the Courtney Campbell Causeway, on July 14.
Look up! Jupiter, Moon, Mars to form triangle at the end of July
Observers can enjoy the aerial display starting next week, and here’s what you need to know.
Watch: Whale slams into boat off New Hampshire coast, sending men into ocean
Video shows a breaching whale crashing into a boat off New Hampshire, capsizing the vessel and sending two men into the water.
Sharks test positive for cocaine off Brazil's coast
Sharks have tested positive for cocaine off Brazil’s coast, according to a new scientific study.
Southwest flight into Tampa has 'close call' 150 feet above Courtney Campbell Causeway: 'It's hard to believe'
The FAA is looking into a scary incident with a Southwest Airlines plane trying to land at Tampa International Airport this month.
San Diego Zoo prepares to debut new giant pandas in August
Yun Chuan is known for his gentle demeanor, while Xin Bao is described as active, alert, witty, and an excellent climber.
Full buck moon to light up the sky this weekend: What to know
July’s full buck moon will be visible all weekend long if conditions in your area are conducive to stargazing. Here's what to know.
Rock crushed by Mars rover reveals crystals never before seen on Red Planet
Where the crystals were found -- the Gediz Vallis channel -- may have been carved by flows of water, scientists say.
Bald eagle attacks prompt warning from Alaska officials
A series of recent eagle attacks has left Alaskans confused as to why the majestic birds are going after people.