Updated: 22 min 26 sec ago
Nearly 200,000 gallons of oil that spilled into Galveston Bay could harm birds in a globally important refuge, experts say.
Today marks the start of one of the worst environmental disasters in U.S. history—and we're still feeling the effects.
These wrecks carried everything from Bronze Age explorers to a lost Egyptian sarcophagus.
A fatal mudslide in Washington State is a reminder of the lethal force of the fast-moving natural phenomenon.
Insects disguise themselves in amazing and elaborate ways to avoid being eaten.
A suicide bomber murdered Indian Prime Minister Rajiv Gandhi in 1991. Two decades later India is debating whether to free her surviving conspirators.
A binational agreement called Minute 319 brings life to Colorado River Delta after five decades of withdrawal.
Our noses are much better at sussing out scents than previously thought, says a new study.
Fossil hunter Neil Shubin explores evolution in a new PBS series based on his best-selling book, "Your Inner Fish."
Thrill to the celestial bounty, from falling stars to portraits of Saturn, in this week's best space pictures.
Ocean investigations can take weeks in the best of circumstances.
The phrase has been around since the 1930s, but it's taken on new life as Russia's relations with the West plummet.
Some 40 multibillion-dollar coastal export projects have been proposed to ship booming North American natural gas overseas. Proponents face environmental and industry opposition—and fierce competition.
Indoor cigarette smoke combines with air pollutants to form compounds that might cause cancer—and that can linger for decades.
Today is the Northern Hemisphere's vernal equinox—learn more about the science of spring.
Animal activists believe some sanctuaries undermine the very mission they're meant to serve.
Friday's Russian parliamentary vote on annexation will determine the decision on the map of Crimea, says the Geographer of the National Geographic Society.
Stick insects camouflaged themselves to look like leaves, way back in the days of the dinosaurs.
The 66-million-year-old Anzu wyliei resembled a giant, demonic bird, according to a new analysis of incredibly well-preserved fossils.
The Big Bang radiation discovery happened there—and when you look at Antarctic conditions, you can understand why.