Fireflies in the Great Smoky Mountains National Park flash their famous synchronized display weeks early, frustrating thousands of ticketholders to the traditional early June viewings.
Already beleaguered native birds in Hawaii take another hit as mongooses turn up on Kauai, previously one of two mongoose-free islands in the chain.
Oracle CEO Larry Ellison buys Lanai.
The United States imposes large tariffs on Chinese solar panels after finding that China was dumping them on the U.S. market at prices below production costs.
The U.S. Court of Appeals for the District of Columbia rules unanimously to uphold the EPA's authority to regulate CO2 in the interest of protecting the public from climate change.
Responding to a petition by environmentalists, the EPA declines to address global-warming pollution from aircraft, ships, and non-road vehicles.
The fungus that causes white-nose syndrome, already responsible for killing 7 million bats in the eastern United States and Canada, spreads to the endangered gray bat. The deadly fungus has now spread as far south as Alabama and west of the Mississippi River to Missouri.
After 115 years together in Klagenfurt Zoo in Austria, Galápagos tortoises Bibi and Poldi break up. All of a sudden, [Bibi] just couldn't stand Poldi anymore, said a zookeeper.
Lonesome George, the last giant Galápagos tortoise of the subspecies Chelonoidis abingdoni, dies at 100 in the archipelago where he was found 40 years ago, leaving no known heirs. —Paul Rauber
Left column, from top: iStockphoto/Suzifoo, iStockphoto/SteveByland;
Right column, from top: iStockphoto/VisualCommunications, iStockphoto/Tsuji, iStockphoto/jangeltun