Coral Reefs Have 'Halos,' and They Can Be Seen from the Heavens By Mindy Weisberger What's the story behind reefs' mysterious "halos" of empty sand?
Climate Change Turned 99.8% of These Sea Turtle Babies into Girls By Rafi Letzter A new study found that sea turtles born in areas most heated by climate change are 99.8 percent female.
Can You Put a Price on the Great Barrier Reef? Economists Just Did By Stephanie Pappas The Great Barrier Reef brings real dollars to Australia.
Great Barrier Reef Again Hit by Severe Coral Bleaching By Stephanie Pappas Two-thirds of the length of the Great Barrier Reef is suffering from bleaching, a condition likely to cause mass coral die-offs.
Global Warming Is Killing the Great Barrier Reef By Kacey Deamer The Great Barrier Reef has suffered "off the chart" damage.
Huge Undersea Landslide Slammed Great Barrier Reef 300,000 Years Ago By Jeanna Bryner More than 300,000 years ago, a behemoth undersea landslide sent huge amounts of debris sliding down the Great Barrier Reef, generating a 90-foot-high (27 meters) tsunami.
Surprise! Another Massive Reef Is Hiding Behind the Great Barrier Reef By Kacey Deamer The 2,300-square-mile reef was hiding in plain sight.
Great Barrier Reef Coral Bleaching is 'Worst in its History' By Mindy Weisberger Australia's Great Barrier Reef corals are in trouble, with the northern part of the reef experiencing "the worst mass bleaching event in its history."
'Shark Girl' Fights Against Fear in New Documentary By Stephanie Pappas The plight of sharks gets a human angle with a new documentary about a 20-year-old Australian activist who has been diving with these marine predators since childhood.
In Images: Tracking Tiger Shark Migrations in the Coral Sea By Denise Chow Researchers tracked wild tiger sharks in the Coral Sea, off the coast of Australia, to study patterns in the animals' migrations.
Photos: Underwater Google Street View Reveals Stunning Corals By Live Science Staff The amazing underwater images will help researchers measure the health of coral reefs, including the Great Barrier Reef.
UN Threatens to List Great Barrier Reef as Endangered By Andrea Thompson Agency evaluates site before World Heritage Committee meeting next month.
Deepest Corals in Great Barrier Reef Discovered By Stephanie Pappas Scientists shocked to see coral growing so far down.
Images: Colorful Corals of the Deep Barrier Reef By Stephanie Pappas The deepest corals of the Great Barrier Reef