"A new analysis of horse bones gathered from museums across the Great Plains and northern Rockies has revealed that horses were present in the grasslands by the early 1600s, earlier than many written histories suggest."

"The Cordillera Azul National Park on the eastern flank of the Peruvian Andes takes in a sweep of Amazon rainforest, mountains and waterfalls in a territory about the size of Connecticut, so precious that tens of millions of dollars in carbon credits have been sold in a program that supporters said would protect its trees."

"The Bureau of Land Management unveiled a sweeping draft rule Thursday that would represent a fundamental shift in how the agency manages millions of acres of public lands that are under increasing threat from climate change, drought and wildfires."

"Cockroaches are changing up their sex lives, and it’s all our fault. Faced with sweet poisoned bait, roaches first ended up with a mutation that made them hate sweets, hindering their mating strategies. Now, more roach mutations are emerging, showing you can’t keep a good pest down."

"In the fast-changing Bering Sea, a small tribe makes a big push to save their island".

"In 2011, a farmer in Oklahoma had a bunch of sick pigs. The animals had what looked like the flu."

"From a distance, it is hard to tell whether the three figures walking the salt playa are human, bird or some other animal. Through binoculars, I see they are pelicans, juveniles, gaunt and emaciated without water or food. In feathered robes, they walk with the focus of fasting monks toward enlightenment or death."

"Scientists for the federal government say documents that Georgia state regulators relied upon to conclude a proposed mine won’t harm the nearby Okefenokee Swamp and its vast wildlife refuge contain technical errors and “critical shortcomings” that render them unreliable."