SAN JUAN, Puerto Rico (AP) — Sea urchins are dying across the Caribbean at a pace scientists say could rival a mass die-off that last occurred in 1983, alarming many who warn the trend could…

CANBERRA, Australia (AP) — Australia said Tuesday it will fight against plans to downgrade the Great Barrier Reef’s World Heritage status due to climate change, while environmentalists have applauded the U.N. World Heritage Committee’s proposal.…

HONOLULU (AP) — As muddy rainwater surged from Hawaii’s steep seaside mountains and inundated residential communities last month, the damage caused by flooding was obvious — houses were destroyed and businesses swamped, landslides covered highways…

FORT LAUDERDALE, Fla. — A research ship that located the black box of a crashed Air France jet has embarked on a scientific expedition to the Florida Keys, where a mysterious disease is burning through…