With roughly half of all turtle species at risk of extinction, conservationists say now is a crucial time to stick out our necks for these ancient animals.
From a sheep that brought a baby elephant out of a deep depression to natural enemies that snuggle down together for every nap, these 10 heart-wrenching relationships are incredible and unforgettable.
A videographer in the Galapagos Islands uses his tripod to record an up-close encounter with a tortoise. Check out the otherworldly video for World Turtle Day.
Industrial hog farms all over the country are being hit by a wave of thick gray explosive foam bubbling up from waste pits. And no one knows why it's happening.