Most of the flooded communities are Indigenous and rely on subsistence hunting that residents would normally be doing right now. Recovering from the damage will make that harder.

New genetic research shows untold migration to remote Pacific islands was generally matrilocal.

The recent volcanic eruption on the island of Tonga is one of the strongest ever recorded, and future eruptions could happen, an expert explains.

Tsunamis aren’t just bigger-than-average waves. Triggered by undersea earthquakes or volcanic eruptions like the one in Tonga, they are fast, massive and potentially destructive. Here’s why.

Rich countries have promised to compensate poor ones for the impacts of climate change.

Offshore oil drilling has a long history in California, but is highly unpopular today. The latest major spill is likely to fuel efforts to wind down oil and gas production statewide.

Waves, storms and floods can reshape atoll islands to survive sea-level rise – but their coral reefs need protection.

As part of the nation's massive wartime mobilization effort, millions of Americans, for the first time, traveled abroad – where many had their first encounters with the marine predators.

Contracts for exploring the deep sea are due to expire before a safe mining code can be agreed.