Latest Articles

Balloon-borne telescopes take baby pictures of the cosmos
Science | Space and Atmospheric Physics
Monday March 06, 2023
The SPIDER instrument has finished its 16-day voyage through the stratosphere above Antarctica, completing the second and final flight of its mission to search for evidence of gravitational waves from the earliest

Groundwater could connect two of Earth's saltiest bodies of water
Science | Earth
Monday February 06, 2023
Liquid brine permeates the ground below Antarctica's largest ice-free area, new research finds.

Ghost particles give scientists first look inside an active galaxy
Science | Space and Atmospheric Physics
Monday January 30, 2023
The IceCube Neutrino Observatory has detected about 80 high-energy neutrinos emitted by a single active galaxy over the course of ten years.

How juvenile Antarctic krill survive when it's cold, dark and icy
Science | The Biological World
Tuesday January 17, 2023
A pair of recently-published companion studies help clarify how juvenile Antarctic krill survive the long winter season.

South Pole winter crew participate in virtual reality study
Science | Space and Atmospheric Physics
Monday January 09, 2023
Station staff tested a therapy that could be used on future space missions

Hunt begins for Antarctica's oldest ice
Science | Ice and Snow
Monday December 19, 2022
U.S. researchers on the southernmost continent are in the midst of their first field season of a multi-year project to find and extract the oldest ice in Antarctica.

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 new research.

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.

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Weddell seal moms sacrifice diving capacity to help pups grow

Female leopard seals are way, way bigger than their male counterparts

The Antarctic Sun turns 25

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