A U.S. Army barracks in Oahu has enlisted some unlikely help: Solar power, which is part of a wider energy makeover for keeping military households on track.

The rapid melt of small glaciers and mountain ice caps will play a major role in a 22-inch (56-centimeter) rise in sea levels by 2100, a new study predicts.

A newfound water source could turn deserts green and "change the course of events" in the war-torn African region, a geologist says.

A vicious drought has sent hordes of kangaroos hopping through Australia seeking sustenance—and more often than not, their search ends in cities.

Scours and streamlined features on the seafloor of the English Channel provide the best evidence yet that gushing floodwaters cut Britain off from mainland Europe, scientists say.

The magnitude 6.6 quake killed at least eight people, set off landslides, derailed a train, and sparked a fire at a nuclear plant.

See a roundup of the week's news and events: Indonesia's Mount Gamkonara rumbles, snow falls in Buenos Aires after 89 years, Boeing launches its 787 Dreamliner, and more.

Fleshy corals are vanishing as bleaching events intensify, experts warn, noting that entire species could go extinct before they are even discovered.

Cyclical changes in the sun's energy output are not responsible for recent global warming, a new study asserts—placing the blame mostly on people.

Understanding the source of gases that cause some volcanoes to pop like a bottle of champagne could help protect tourists and others from the unpredictable and explosive blasts.

At least one affected region reports killing 90 tons of rats in an effort to curb a rodent invasion, linked to recent flooding, that is ravishing crops and threatening public health.

Previous measurements of Earth's girth were slightly off, but the difference is enough to affect forecasts of sea-level rise and other effects of global warming.

China's widespread air pollution—a side effect of its booming economy—causes about 656,000 deaths annually, says a new report.

See Crittercam footage and ride underwater with a pod of whales that work together to form a net of bubbles.

See a roundup of the week's news and pictures: floods in Mumbai, an annual pilgrimage in Belarus, China's Qiandao Lake, and more.