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Antarctica

The view near McMurdo Station, Antarctica
Posted inResearch Spotlights

Observations Show Gravity Waves Above Antarctica Dance in Winter

by Terri Cook 5 February 20198 March 2022

Year-round observations show gravity waves above Antarctica exhibit seasonal patterns that peak in winter, which could help researchers trace the source of this mysterious phenomenon.

Iceberg Antarctica
Posted inEditors' Vox

The Ocean’s Gateway to Antarctica

by A. F. Thompson 31 January 201911 January 2022

Advances in observations and modeling are providing new insights into the dynamic Antarctic Slope Current and its critical role in Earth’s climate.

The ice-climbing robot IceWorm scales a wall in a glacial cave at Mount St. Hel
Posted inNews

Meet IceWorm: NASA’s New Ice-Climbing Robot

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 12 December 201829 September 2021

A robot that can inch up icy surfaces may help scientists reach new heights in some of Earth’s most dangerous and remote landscapes.

An excavation conducted at an Adélie penguin colony on Earle Island (one of theDanger Islands), Antarctica.
Posted inNews

Penguin Poop Keeps a Record of Antarctic Glaciation

by B. Bedford 11 December 20184 October 2021

Scientists are digging up Adélie penguin guano to study millennia of Antarctica’s history.

Posted inEditors' Highlights

New Method to Measure Ice Cap Thickness

by M. K. Savage 21 November 20182 March 2022

Naturally generated seismic waves bouncing up and down through an ice sheet can be used to determine the thickness of the ice and monitor future changes in ice thickness.

Posted inEditors' Highlights

Dropsondes Reveal Atmospheric Boundary Layers Over Antarctic

by Minghua Zhang 2 November 20188 March 2022

636 high-resolution dropsondes reveal four types of atmospheric boundary layer over the Antarctic, including well-mixed and convective types.

An updated Antarctic Magnetic Anomaly Map helps researchers study the structure of lithosphere around the South Pole.
Posted inResearch Spotlights

A More Detailed Look at Earth’s Most Poorly Understood Crust

by Terri Cook 24 October 20187 February 2023

The second-generation Antarctic Digital Magnetic Anomaly Project offers a powerful new tool for probing the structure and evolution of the southernmost continent’s lithosphere.

Posted inEditors' Highlights

Energetic Electrons Can Penetrate the Stratosphere

by Viviane Pierrard 17 October 201816 March 2023

Precipitations of electrons with energies greater than 30 kiloelectron volts from the slot region penetrate at low altitude and can contribute to destroy ozone.

View of the Ross ice shelf from the OGS Explora, 9 February 2017.
Posted inScience Updates

Exploring the Unknown of the Ross Sea in Sea Ice–Free Conditions

by Laura De Santis, Florence Colleoni, A. Bergamasco, M. Rebesco, D. Accettella, V. Kovacevic, J. Gales, K. Sookwan and E. Olivo 11 October 201810 November 2022

A team of polar scientists aboard the OGS Explora, cruising in rare ice-free conditions, discovered new evidence of ancient and modern-day ice sheet sensitivity to climatic fluctuations.

Posted inNews

Ursula B. Marvin (1921–2018)

by J. Wood 10 July 201810 October 2021

This bold mineralogist and feminist bucked norms that deemed geology unsuited for women. She contributed to meteoritics, science history, and petrology, including the analysis of Apollo Moon rocks.

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By Muki Haklay

EDITORS' VOX
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“What We Know and Don’t Know About Climate Tipping Elements”
By Seaver Wang

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