February 7, 2013 What killed the dinosaurs? It's history's ultimate murder mystery, and for decades the prime suspect has been a giant asteroid. New data suggest that it struck right before the extinction. But scientists say it still may not tell the full story of what happened to the dinosaurs.
February 7, 2013 San Francisco's library system responded to the city shelter's need for newspapers with donations of its used copies. But dogs are "poop machines," as a shelter spokesman says. So the problem may not be quite solved.
February 7, 2013 A team of researchers from the British Antarctic Survey stumbled upon some interesting satellite images in 2009: a trail of penguin poop that showed signs of a huge colony of emperor penguins. A team of researchers finally made it out to visit the 9,000-strong colony last December, marking the first human contact the animals had experienced.
February 6, 2013 A 48-acre area in California that housed more than 200 species of birds was stripped bare by the Army Corps of Engineers, which manages the land. The Corps says the clearing was necessary to improve flood control and discourage homeless camps and drug dealing, but some are questioning whether the agency violated rules that protect wetlands and waterfowl.
February 6, 2013 Wisdom, a Laysan albatross who nests at the Midway Atoll National Wildlife Refuge in the North Pacific Ocean, is thought to be at least 62 years old. She's raised an estimated 30 to 35 chicks over the years and flown at least 2 million miles, scientists say.
February 5, 2013 Spielberg's were big, green and scaly. The real ones? They were often rosy, yellow, orange, iridescent, covered with fuzz, plumes, or feathers. Take a look at this latest take on the Jurassic, when reptiles, we think, looked more like rainbows.
February 3, 2013 The U.S. Fish and Wildlife may upgrade the wood stork's status from "endangered" to "threatened." But some environmentalists and the Audubon Society says that in south Florida, the bird's population is still a long way from reaching a full recovery.
February 2, 2013 Zac Unger moved to Churchill, Manitoba, to cover the decline of the polar bear. It was 2008, and the adorable predators had become symbols in the battle over climate change. But the story he ended up writing in his new book was more complicated than he expected.
February 2, 2013 It's a tradition that goes back to 1887, and while he's not always correct, the Punxsutawney, Pa., groundhog has a massive following who watch his every move on Groundhog Day.
January 31, 2013 There have been 20 reports of human salmonella infections linked to pet hedgehogs recently. Public health officials say people should keep the animals away from areas where food is prepared and served.