A satellite program designed to improve environmental policies in Central America has found evidence of ancient, self-induced climate change—offering lessons on how to combat today's warming.
Learn the history of leap year—an age-old trick for keeping the calendar in synch with the heavens—and discover how cultures throughout history have made up for "lost time."
At 541 feet tall, the Singapore Flyer is the world's largest observation wheel. The island city's sudden thunderstorm wind gusts were a challenge for designers.
Canals feeding water from the Yellow River into the capital city are precursors to China's "master plan" to create human-carved rivers that will bring water into the arid north, officials say.
The Web-based "Encyclopedia of Life"—which aims to catalog all known species—couldn't handle its debut: Nearly 12 million visits in six hours temporarily crashed the system.
The futuristic entrance to the seed bank leads deep into a frozen mountain, where millions of seeds should be safe from war, warming, and other disasters.
The same line spawned the 2004 tsunami. The recent activity hasn't caused mass alarm, though. "Such a tremor is nothing new," said a resident after a powerful quake Tuesday.
The natural colorant, famed for its resistance to aging and chemicals, played a central role in Mayan religious and sacrificial rituals, a new study suggests.
Scientists can determine where you've lived by studying your hair, which holds the unique chemical signature of the water you've been drinking, a new study has found.
An Arctic island north of the Norwegian mainland marks the opening of an underground vault set to store millions of plant seeds to protect species from disasters.
