Indonesia's deadly Mount Kelud is spewing smoke, and scientists warn an eruption may be imminent. Still, many residents are reluctant to evacuate the area.

A new population of reclusive De Brazza's monkeys, a species thought to be near extinction in eastern Africa, has been discovered in Kenya, a scientist has reported.

A new study found that 200 of Europe's 522 freshwater species are at risk of being wiped out—and 12 species are already extinct.

Mexico's leader called flooding in Tabasco state "one of the worst natural disasters in the history of the country." Officials now fear waterborne disease.

Roman tombstone found in Scotland, space station solar wing tears, Indonesian volcano erupts, and more.

Upgraded to hurricane status, Noel heads north toward Nova Scotia, kicking up rough surf on the eastern U.S. coast along the way.

Self-cleaning toilets and a 14-year-old inventor are part of this annual summit in India to address sanitation problems for 2.6 billion people without toilets.

The annual dolphin-hunting season in Japan is drawing protest from activists who say the practice is cruel. Some in Japan say it's cultural.

Villages were washed away, a giant head "waded" in an overflowing river, and dozens died as tropical storm Noel and other tempests spurred floods.

The nearest nonprimate relatives are not tree shrews, as once thought, but a group of tree-dwelling mammals called colugos, a new study shows.

Rescuers in helicopters and boats are searching for the stranded in the wake of the storm. Currently over Bahamas, the tempest is also affecting Florida.

Tropical Storm Noel causes devastating flooding in the Dominican Republic and Haiti. Meanwhile, unrelated flooding strikes eastern Mexico and central Vietnam.

Which island destinations are succumbing to tourism overkill, and which are wearing well? Experts weighed in on 111 hot spots for a new survey.

The Nature Conservancy has blasted through 1950s-era levees in the Williamson River Delta in southern Oregon to save the wetlands and endangered fish species.

A moderate earthquake—the strongest since 1989—has shaken the San Francisco Bay area without causing serious damage.