Nature up close: Bison in winter
With many of their natural predators extinct, the bison in Yellowstone National Park are subject to man-made options to controlling their population, including reintroducing them to other areas
Science
Second all-female spacewalk devoted to space station battery replacements
NASA resumes battery replacement work aboard the International Space Station with the second all-female spacewalk.
Diego the giant tortoise is retiring after saving his species
The giant tortoise, who is more than 100 years old, helped boost the species' population from 15 to over 2,000.
Ex-Navy SEAL is NASA's first Korean-American astronaut
Kim is a first-generation Korean-American whose parents came to the U.S. in the 1980s to provide a better life for their children.
World's largest investor to sell $500 million in coal investments
BlackRock CEO Larry Fink says that warming planet will fundamentally reshape the financing of jus about everything.
Smoke from Australia fires circling the world
NASA says the fires have caused "unprecedented" conditions that will effect the entire globe.
Navy: UFO files could cause "grave damage" to national security if released
In November 2004, several U.S. Navy pilots stationed aboard the USS Nimitz encountered a Tic-Tac-shaped UFO darting and dashing over the Pacific Ocean.
Sea turtle swims again with help of prosthetic flipper
Goody the turtle was immobile after she lost her limb while trapped in a fishing net, but now she's Thailand's first recipient of a prosthetic flipper.
Studying the creativity and intelligence of the octopus
It's one of the most bizarre life forms on Earth – one of the smartest, most interesting, and most alien, with eight more brains than you have
Volcano erupts near Manila, spewing smoke and ash miles into the sky
Taal Volcano blasted steam, ash and pebbles up to 6 to 9 miles into the sky in a dramatic escalation of its growing restiveness.
Iran has "increased efforts to target U.S. personnel," intel chief warns
Police and protesters clash in France after day of demonstrations
Live
Iran says U.S. military not allowed in Gulf "under any circumstance"
ICE crackdown prompts some Texas Latinos to turn away from Trump
DOJ sues to block Alaska Senate certification if Sullivan loses
Rubio calls on Cubans seeking "positive change" to work with CIA
Ukraine says Starlink speed restored after long disruption
U.K. police confirm it received letter with claims against Meghan's father
