Moderate changes over millennia are being sped up by emissions from burning fossil fuels.

A planned mining method to gather critical minerals from the seafloor would create sediment plumes higher up in the water column where many creatures live.

Our work shows the ocean around Fiji is the hottest it has been in at least the past 653 years.

Global ocean temperatures have been at record highs almost daily for over a year, and economies are feeling the heat.

After a year of record-breaking global heat with El Niño, will La Niña bring a reprieve? That depends on where you live and how you feel about hurricanes.

The strong El Niño that started in 2023 will still have big impacts at least through March. Here’s what to watch for next.

A new initiative is pinpointing areas in the world’s oceans that are key habitats for sharks and their relatives, so that governments can consider protecting these areas.

The best science is not always the best engineering when it comes to building codes. It’s also a problem across the US, as an engineer who works on disaster resilience explains.

An atmospheric scientist explains how El Niño works, this year’s oddities and why this phenomenon doesn’t last long.