For years, a strange and unsettling noise coming from the Mariana Trench, the deepest part of the ocean, puzzled scientists.

Another curious feature of the spade-toothed whale was its many stomach chambers – nine, to be precise – and there were also some clues as to how they eat and communicate. “In some of those stomachs ...

A group of nine critically endangered killer whales got a lot of attention off the coast near Depoe Bay, but it’s uncertain ...