The US National Science Foundation Center for Oldest Ice Exploration (NSF COLDEX) is a Science and Technology Center formed in 2021 to explore Antarctica for the oldest possible ice core records of our planet’s climate and environmental history, and to help broaden participation in polar science. Learn more.
Recent News
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While Searching for the World’s Oldest Ice, Scientists Find Sediment Sneaking Under the Antarctic Ice Sheet (10/20/25): Featuring a new COLDEX paper in Geophysical Research Letters led by Duncan Young!
Congratulations to COLDEXer Fairuz Ishraque, who received an AGU Voices for Science Award! (7/14/25)
Congratulations to former COLDEX REU, Alissa Choi, who was selected as a 2025 Goldwater Scholar! (3/28/25)
Congratulations to former COLDEX REU, Rhys-Jasper León, who won an Outstanding Student Presentation Award for the cryosphere section at AGU 2024! (3/28/25)
Congratulations to COLDEXer Jamin Greenbaum, an honoree of The Explorers Club 50! Meet the EC50 Class of 2025 (Explorer’s Club, 1/31/25)
Breakthrough Antarctic ice extraction 'an enormous victory,' U of Manitoba researcher says (CBC, 1/9/25): featuring John Higgins