Climate change has already caused significant declines in coral reef coverage globally and is expected to do much further ...

This 2011 astronaut photo shows the atolls of Rowley Shoals lined up in a near-perfect line off the coast of Australia. The island trio was once part of an ancient barrier reef system that stretched ...

While well-documented in the Northern Hemisphere and Antarctica, much less is known about killer whales (Orcinus orca) in ...