Ancient cave formations found in Israel provide the first concrete evidence that a change in rainfall allowed early humans to migrate out of Africa, experts say.
A survey of the Iriomote cat, believed to number fewer than a hundred in 1994, is offering evidence that the cat's already small population is shrinking, experts warn.
Evidence that ancient organisms in permafrost stay just barely alive suggests that similar life might exist in the frozen soils of distant worlds, a new study says.
Two golf-oriented developments may create a water shortage that irreversibly damages the rare and teeming Chamela-Cuixmala Biosphere Reserve, researchers say.
Hurricane Dean caused 20 deaths and billions of dollars of damage in Mexico and Jamaica-and may be a harbinger of additional powerful storms, forecasters say.
Despite its new "critically endangered" status, the Okinawa dugong might see even more of its habitat destroyed due to a U.S. airbase expansion, conservationists warn.
After ravaging the Yucatán Peninsula, the hurricane crossed the Gulf of Mexico and made second Mexican landfall with 100-mile-an-hour (160-kilometer-an-hour) winds.
Refugee cattlemen in a popular Uganda reserve are poisoning predators to protect their livestock, government officials say—but the cattlemen claim otherwise.
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