Residents of the Caribbean island of Montserrat call one of their edible frog species mountain chicken, but this edible amphibian is now endangered, conservationists say.
Chemical signatures in 635-million-year-old rock suggest our planet once had an otherworldly atmosphere that might have helped melt millions of years' worth of deep freeze.
Two 21-year-old climbers—including Rob Gauntlett, one of National Geographic Adventure magazine's 2008 adventurers of the year—died on the Alps' tallest mountain Saturday.
Harvesting the biggest individuals causes a 300 percent faster evolution rate, leaving only smaller and younger animals to reproduce, a new study says.
The far-ranging microbes may use the weather cycle to disperse themselves—an idea that "would have been viewed as crazy 25 years ago," researchers say.
Call it "ovulation on demand"—a bizarre male bark jump-starts a female cheetah's reproductive system, adding a much-needed boost to breeding the rare big cats in captivity, experts say.With audio.
Gibbons, apes known for their speed and distinctive singing, were wiped out through poaching by the 1980s on Thailand's popular Phuket island. Now they're making a comeback.
The designation of nearly 200,000 square miles of pristine waters as marine monuments, including the deepest place on Earth, will be a "savings account" for the future, one conservationist says.
The discovery of microscopic diamonds in 12,900-year-old soil supports the controversial idea that comet swarms caused a die-off of ice age mammals, a new study says.
Geologists in Hungary have been exploring a newfound underground lake beneath the capital, Budapest. The lake system is believed to extend 25 miles (40 kilometers).
