Antarctic glacier retreated 3 miles in 22 years, threatening global sea-level rise USA TODAYScientists just discovered a massive new vulnerability in the Antarctic ice sheet The Washington PostEast Antarctica's Denman Glacier has retreated almost 3 miles over last 22 years Phys.orgScientists Discover Massive Instability Under East Antarctica Glacier BloombergEast Antarctica's Denman Glacier has retreated almost 3 miles HeritageDailyView Full Coverage on Google News