Field science, research findings and stories from the world’s most difficult environments.
Direct Icefin observations beneath the Thwaites Eastern Ice Shelf revealed that melting is highly uneven: relatively weak beneath flat ice, but much stronger along steep terraces and crevasses near the grounding line.
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Measurements through a 600-metre borehole and Icefin surveys revealed a complex picture beneath Thwaites: modest melt beneath flatter ice, but rapid erosion inside cracks and along terrace walls.
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A baseball-bat-sized robotic submersible helped scientists look beyond a deep Antarctic borehole and survey the floor of subglacial Lake Whillans beneath hundreds of metres of ice.
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