A tour guide caught an amazing and incredibly rare sight while sailing along Australia's Great Barrier Reef. As the Cairns ...

Australia’s iconic Great Barrier Reef suffered its biggest ever decline last year after a marine heatwave bleached vast swathes of hard coral, a new report has found.

The recent discovery of five new coral species around the Indo-Pacific could have critical implications for reef management.

Australia's famed Great Barrier Reef has suffered its most widespread coral bleaching on record, according to a government ...

Australian authorities say the Great Barrier Reef has experienced its greatest annual loss of live coral in four decades.

The whale shark — a shark, not a whale — is the largest fish in the world, roughly the length of a city bus. Whale sharks ...

"The Great Barrier Reef is such a beautiful, iconic place, it's really, really worth fighting for. And if we can give it a ...

In 2015, UNESCO placed the Great Barrier Reef on its watchlist due to concerns about the Australian government’s handling of the site. The deteriorating Great Barrier Reef 25 photos ...

Australia's Great Barrier Reef has suffered the largest decline in coral cover in two of its three regions over the last year ...

Scientists from the University of Technology Sydney are searching for “super corals,” species that are naturally more ...

CANBERRA, Australia — Warming oceans this year have caused the largest die-off of corals ever recorded on Australia’s Great Barrier Reef, scientists said Tuesday. The worst-affected area is a ...

The Great Barrier Reef has been declared dead by scientists investigating coral bleaching, which is caused by environment stress impacts. The warming of the oceans because of climate change causes ...