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whales & dolphins

Six narwhals are seen in the ocean from the air
Posted inResearch & Developments

Narwhals Dive Deep to Help Scientists Research the Warming Arctic

by Emily Gardner 26 August 20263 September 2026

Scientists come in all shapes and sizes. Sometimes, that shape is a blubbery 1,000-kilogram whale with a 2-meter tusk.

A large fjord with rocky, snow-covered mountains in the background
Posted inFeatures

Chemical Companies Are Churning Out New PFAS. Where in the World Are They Ending Up?

by Grace van Deelen 30 April 20261 May 2026

Bans on older versions of “forever chemicals” seem to be working. But emerging variants behave in ways that scientists are only beginning to pin down.

Historic black-and-white photo of a humpback whale diving, flukes visible above the surface
Posted inNews

Whaling Records Can Help Improve Estimates of Sea Ice Extent

by Syris Valentine 15 July 202515 July 2025

The locations of humpback whale catches in the early 20th century indicate that most climate models overestimate the historic extent of sea ice in the Southern Ocean.

Close-up of a partially surfaced humpback whale showing its baleen
Posted inNews

A Great Whale Conveyor Belt Transports Nutrients Across Oceans

Adityarup Chakravorty, freelance science writer by Adityarup Chakravorty 5 May 20255 May 2025

Baleen whales shift huge amounts of nutrients, including nitrogen, from high-latitude feeding waters to tropical breeding areas.

Six penguins walk along a rocky outcrop. Snowy mountains are in the background.
Posted inResearch Spotlights

Forecasting the Future of Southern Ocean Ecosystems

by Rebecca Owen 26 March 202526 March 2025

A new ensemble of marine ecosystem models aims to improve understanding of how climate change will affect the waters surrounding Antarctica.

Colorful multibeam bathymetry shows pits likely created by porpoises on the seafloor. Some pits have merged together to create bigger conjoined pits.
Posted inNews

Mysterious Seafloor Pits May Be Made on Porpoise

by Andrew Chapman 15 February 202415 December 2025

Some shallow seafloor depressions off the coast of Germany that look like those associated with methane might instead be the work of porpoises.

Scientists on a boat lowering a seismometer into the water.
Posted inEditors' Vox

The Not-So-Silent Depths

by Gaye Bayrakci and Frauke Klingelhoefer 9 February 202412 February 2024

A new book reveals that ocean depths are far from silent voids, but are actually alive with noise.

Bubbles and the silhouettes of fish are seen from below, with light from the surface above them.
Posted inFeatures

Oceanic Cacophony 

by Alka Tripathy-Lang 21 December 202321 December 2023

The ocean is a pretty loud place, and anthropogenic noise is adding another layer to the soundscape.

Drone footage of a blue whale surfacing to breathe off the coast of California.
Posted inNews

Scientists Tune In to Blue Whale Feeding Rhythms

by Bill Morris 26 October 20226 December 2022

New acoustic sensing technology is allowing scientists to track blue whale movements in real time, a breakthrough that could help save whales’ lives.

Aerial image of blue whale breathing at the water’s surface.
Posted inNews

Wiretapped Cables and the Songs of Whales

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 22 July 202217 February 2023

Researchers jerry-rigged fiber-optic cables in a fjord to eavesdrop on blue whales, with possible applications ranging from seafloor mapping to meteorology.

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

Features from AGU Publications

Research Spotlights

The Economic Costs of Solar Storms

4 September 20264 September 2026
Editors' Highlights

Unveiling Atmospheric Circulation on Mars with Magnetic Field Data 

3 September 20261 September 2026
Editors' Vox

AGU Launches New Special Collection at the Nexus of Science and Policy

3 September 20263 September 2026
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