To help save South Australia's rare black-footed wallaby, researchers are taking joeys from the wild and placing them in surrogate pouches, encouraging wild moms to trigger "backup" pregnancies. Video.

Nine new species that dine only on dead whales have been discovered, a new study says. And what the menu lacks in variety it makes up for in portion size—a single meal can last 20 years.

Australia's worst dust storm in 70 years blanketed east coast cities in outback grit and cast an orange glow over Sydney at dawn Wednesday morning. Video.

California tadpoles are developing into frogs with missing legs and eyes—deformities possibly caused by an alien parasite that usually attacks farmed fish, experts say.

Flying for years under the scientific radar, the new ghostshark species is among the world's oldest and—and oddest—fish.

For the first time, a giant squid has been caught alive—though not for long—in the Gulf of Mexico, U.S. officials say.

Drastic drought conditions are killing iconic African animals and adding to political and ethnic tensions, according to relief workers who say Kenya is on the verge of disaster.

This summer's cooler temperatures means that the Arctic probably won't see ice-free summers until at least 2030, despite previous predictions, new research shows.

UPDATE: A gelatinous fish found off Brazil's Bahia coast has been touted as a previously unknown species. But the six-foot-long, toothed oddity may be a known member of a group of mysterious bottom-dwellers known as jellynose fish, another expert says. Video.

Scores of animals are dying of thirst, starvation, and disease amid the country's worst drought in over a decade, conservationists say.

Want a gorgeous garden? Just add pee, according to a new study that says nitrogen-rich urine and magnesium-rich ash work together to form a powerful—and cheap—fertilizer.

Mexican Navy patrols are helping to protect endangered Golfina, or olive ridley, turtles as they begin laying eggs at "the most important beach for marine turtle nesting in the world." Video

Dozens of whales mysteriously come ashore in Argentina, one of the world's oldest synagogues is found in Israel, and protesters clash with water cannons in Germany in this week's best news photos.

Authorities are using a robotic submarine to investigate whether the Mafia dumped "hundreds" of radioactive-waste barrels into the sea off Italy.Video.

More than a hundred elephants in Kenya have died in the past year, say conservationists, who blame the worst drought in 12 years as well as continued poaching. Video.