Latest Articles

Weddell seal moms sacrifice diving capacity to help pups grow
Science | The Biological World
Monday November 21, 2022
Nursing Weddell seal moms transfer so much iron to their pups through their milk that they can't spend as much time underwater in the months after their pups are weaned, according to

Female leopard seals are way, way bigger than their male counterparts
Science | The Biological World
Monday November 07, 2022
New research shows female leopard seals can be up to twice as large as males, a far bigger difference in body size between the two sexes than biologists previously observed.

The Antarctic Sun turns 25
Features | Life on the Ice
Monday October 31, 2022
This year marks the 25th anniversary of The Antarctic Sun, the U.S. Antarctic Program's website for Antarctic news and information.

Rumbles, booms and growls: Listen to the first recordings of these Antarctic whale calls
Science | The Biological World
Monday October 24, 2022
Biologists are getting their first real listen to the vocalizations made by Antarctic minke whales, the most abundant yet least understood whale species in the Southern Ocean.

Follow the magma: Scientists map plumbing beneath Mt. Erebus for the first time
Science | Earth
Tuesday October 04, 2022
A 20-kilometer-wide tube of melted rock feeds the lava lake at Mt. Erebus, according to new research that illustrates the plumbing below Earth's southernmost active volcano for the first time.

Genetics reveals how fish and seals adapt to Antarctic cold
Science | The Biological World
Monday August 29, 2022
New research into seal and fish genomes is giving scientists clues to how these hardy animals evolved to survive the extreme cold of Antarctica and the Southern Ocean.

Key Antarctic fish species declining due to climate change

Science | The Biological World
Monday August 22, 2022

New research finds populations of Antarctic silverfish along the West Antarctic Peninsula are plummeting due to warming temperatures and the loss of sea ice caused by climate change.