WEEK IN PHOTOS: Texas Sinkhole, Myanmar Cyclone, More
See a supercell light up the Texas sky, U.S. Marines braving a sandstorm in Afghanistan, the Olympic torch reach the top of Mount Everest, and more.

  Livestock, Pets Left Behind As Chile Volcano Fears Loom
Tens of thousands of animals are trapped in an ash-covered region of southern Chile after their owners have been forced to flee the still-active volcano.

  Spain Files Suit for $500 Million Shipwreck Treasure
Spain says it has proof that the treasure—retrieved by a Florida salvage company from a secret location last year—is from a warship that sank in 1804.

  1,000 Ancient Tombs, Unique Remains Found in Colombia
Among the unusual finds are a possible victim of human sacrifice and a skeleton with curiously curved bones, anthropologists report.

  VIDEO: Monks Join Cyclone Cleanup
Buddhist monks and Myanmar (Burma) government workers began cleaning the cyclone-struck city of Yangon (Rangoon). But the situation remains grim in the country's delta region. Warning: graphic imagery.

  VIDEO: Chimp Memory Beats Humans'
Watch young chimpanzees beat Japanese college students in a short-term-memory test by a wide margin—raising questions about primate intelligence and evolution.

  PHOTOS: 1,000 Tombs Discovered in Colombia
The massive burial site contains a treasure trove of artifacts and information about two little-known South American civilizations, experts said.

  WEEK IN PHOTOS: Texas Sinkhole, Myanmar Cyclone, More
See a supercell light up the Texas sky, U.S. Marines braving a sandstorm in Afghanistan, the Olympic torch reach the top of Mount Everest, and more.

  Earliest Known American Settlers Harvested Seaweed
People living in the earliest known settlement in the Americas relied partly on seaweed, bolstering the theory that the New World was settled via a coastal route, a new study says.

  Once Lush Sahara Dried Up Over Millennia, Study Says
The grassy prehistoric Sahara turned to desert more slowly than previously thought, a new report says—and some say global warming may turn the desert green once again.

  VIEW FROM SPACE: Before and After the Cyclone
See how Cyclone Nargis changed the landscape of the Irrawaddy River delta, where massive floods killed tens of thousands.