How Tourist Garbage Causes Yellowstone's Morning Glory To Change Color

Decades ago, the Morning Glory pool at Yellowstone National Park was a gorgeous deep blue. But because tourists have thrown coins, rocks, and trash into it for years, the spring has now turned into a sickly yellowish green. Now, a new optics study is shedding light on the pool's unfortunate change of color. » 2/11/15 1:20pm 2/11/15 1:20pm

These Might Be The Loneliest Whales in the World

Humpback whales can be found all over the world's oceans, despite the heavy beating they took in the era of industrial whaling. They undertake one of the longest annual migrations feeding at high latitudes and breeding near the equator. But there's one peculiar group of humpbacks who live life a bit differently. » 12/04/14 7:52pm 12/04/14 7:52pm