At a site known as Cerro Ballena or Whale Hill, there are more than 40 skeletons of marine mammals -- a graveyard of ocean life dating back 6.5 million to 9 million years ago, in the Late Miocene Epoch. But the identity of the killer...

Chile's growing red tide crisis is threatening not only marine life but also communities that depend on the sea for their livelihood. Red tide is a commonly recurring phenomenon in Chile, but the outbreak that has grown rapidly along the...