Watch: Rescuers save wounded jaguar struggling to cross Brazil’s Rio Negro
A wounded jaguar struggling to cross Brazil’s Rio Negro was rescued by officials near Manaus after spending hours in the water.
Will heavy rains make the Pickett Fire burn scar slide?
People in the Pickett Fire region of Napa County got phone alerts for potential flash flooding on Monday.
Record-breaking great white ‘Contender’ spotted again off Canada’s coast
Contender, the largest male great white shark ever recorded in the Atlantic, is on the move and was recently pinged off the coast of Canada.
Canada's Marineland may euthanize whales after Ottawa denies aid, export
Marineland has asked the Canadian government for emergency funding to feed and care for its whales, warning that euthanasia may be imminent without financial help.
UC Berkeley physicist 'completely stunned' to receive Nobel Prize
“I was sitting there completely stunned. It never occurred to me anything like this would ever happen," the scientist said in an interview Tuesday.
Small truly 'wild' cats worldwide are threatened with extinction
There are the small number of truly wild-born cats -- from tigers, the world's largest, to the rusty-spotted cat, the world's smallest.
Python found at this In-N-Out location in California
The large snake is not up for adoption.
Here's when you can see fall's Harvest Supermoon
This month is filled with a Supermoon and two meteor showers worth looking out for.
Massive comet zooming through solar system could be alien technology, Harvard astrophysicist says
New data shows 3I/ATLAS is three to five orders of magnitude more massive than previous objects.
NASA has 36 projects you can help with right now
NASA is inviting the public to take part in 36 “citizen science” projects that let volunteers contribute to real scientific discoveries.
Decapitated California sea lion: $20K reward issued
The National Marine Fisheries Service on Monday announced a $20,000 reward for information leading to a balding man with a hunting knife whom they say was observed decapitating a dead sea lion.
Mysterious streak of light across the Bay Area explained
A light streaking the Bay Area sky on Thursday night sparked the curiosity of those who witnessed it and those who are seeing the videos online. Was it a meteor? A piece of fire debris?
Curious light streaking the sky seen throughout the Bay Area, captured on video
KTVU received several calls, as well as photo and video submissions, of a mysterious light streaking across the sky that resembled a meteor on Thursday evening.
UC Berkeley studies space weather through NASA triple satellite launch
NASA on Wednesday launched three satellites into space, and one of them was controlled by scientists from UC Berkeley.
Squirrel attacks send two people to the hospital in a Bay Area neighborhood
A Bay Area neighborhood is dealing with a very aggressive squirrel that has sent at least two people to the hospital.
Bears steal groceries from family's pick-up: 'That's our food!'
The bears took a bag of food off one of the pickup trucks seen in the video and scurried off.
Watch: Sharks, humpback whales seen swimming off Long Island coast
The whales and sharks were spotted swimming off the coast of Montauk in New York.
Yellowstone National Park trail shut down after first bear attack in 4 years
Grizzly bears and black bears coexist in Yellowstone, according to the National Park Service, and it's unclear which one was involved in the attack.
Life on Mars: What we know after NASA's announcement
NASA scientists say a rock sample collected by the Perseverance rover in Jezero Crater may contain the strongest signs yet of ancient microbial life on Mars, though more analysis is needed before drawing firm conclusions.
Study reveals pre-CTE damage in brains of even young contact-sport athletes
An NIH-funded study of athletes under 51 found repeated head impacts can cause early neuron loss and brain inflammation years before CTE is detectable.