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

Final negotiations on a treaty to end plastic pollution are underway in Geneva. But with the United States lining up in ...

A remote Pacific nation has started selling passports to fund climate action, but is so far struggling to attract new citizens to the low-lying, largely barren island.

Some researchers say sunscreen and tailored clothing might have helped humans survive when Neanderthals went extinct.

Wet weather in July sent rainfall records tumbling in Broken Hill, bringing welcome relief to graziers who had experienced a ...