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...

Humans have relied on fertilizers to grow their plants for thousands of years. But the production of synthetic fertilizers also requires an immense amount of energy that comes primarily from fossil fuels and therefore contributes to...

Humans have relied on fertilizers to grow their plants for thousands of years. But the production of synthetic fertilizers also requires an immense amount of energy that comes primarily from fossil fuels and therefore contributes to...

Florida's coastline is being threatened by toxic algal bloom, and it seems to be getting worse every year, the Tampa Bay Times reports.

Toxic red tide algae has wiped out droves of south west Florida's marine life.

Several dogs have become fatally ill after swimming in lakes and ponds and ingesting water contaminated with toxic algae.

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...