Half a century after Pacific walruses began recovering from industrial-scale hunting, marine biologists are growing worried that they face a mounting threat from global warming
Scientists have discovered three new coral species - and one that was thought to be extinct - in an extensive survey of reefs around the Galapagos Islands
A new study has shed light on the extent and causes behind the oceans quickly vanishing seagrass meadows, a vital resource for thousands of species of marine life