Updated: 33 min 24 sec ago
A modern twist on a traditional structure in Tanzania has proved quite successful in maintaining lion populations, a new study says.
An invasive beetle, the emerald ash borer, is killing millions of ash trees in American cities.
Meet our cities' real litterbugs: New research shows that bugs consume a big portion of the food we toss on the ground.
The king's genes also raise some royally embarrassing questions about the legitimacy of the Tudors who ended his reign.
On the Galápagos Islands, young male sea lions tend to wait on their mother for food while females dive for it themselves, a new study says.
As December dawns, a meteor shower starts to sparkle and Jupiter's moons dance for stargazers.
From a Siberian tiger on the hunt to a sprinting cheetah, see editors' picks for most compelling cat videos in honor of Big Cat Week.
A UN climate summit begins in Lima, Peru, December 1, as a stepping-stone to a new global climate accord.
Aristotle was the first person to go down to the shore, pick up a snail, look inside, and ask what's in there, author says.
The awe-inspiring bears are almost extinct in Washington State, but the government is now studying whether they should be brought back.
Twenty-one circus lions and ten monkeys in Peru await transfer to a Colorado sanctuary early next year.
Paw through some of our favorite pictures of wild cats you've probably never heard of.
Wrestling has always connected the people of Sudan's Nuba Mountains. Now, for thousands in refugee camps, it's one of the only ties left.
A rocket roars off the launchpad, Saturn mixes its upper atmosphere, and Titan mimics the crescent moon in this week's best space pictures.
Veterans' retreat offers respite from wartime traumas.
The latest trailer for the series shows outdated science, experts say, with featherless and oversize dinosaurs.
Gigantic black holes provide a new cosmic yardstick for charting far-off stars.
Chile's gauchos turn the annual work of branding and castrating animals into a celebration of their way of life.
As Xiaolin Zheng sees it, installing solar panels might one day be as simple as putting on a sticker.
New EPA ozone rules could prompt greater efforts to clean the nation's air.