Emperor penguin found on Australian beach released at sea after 20 days of care
Iceland volcano flares marking region's 7th eruption in one year
How pine cones collection helps renew Oregon forests after wildfires
Giraffes need endangered species protection, U.S. officials say
Carcass of massive endangered whale washes ashore in Alaska
Parts of Great Barrier Reef dying at record rate, alarmed researchers say
Scientists say biggest coral in the world discovered in the Pacific
Surfboards with lights could deter shark attacks: "Invisibility cloak"
