Fastest-Thinning Greenland Glacier Threw NASA Scientists for a Loop. It’s Actually Growing.

By Laura Geggel Greenland’s fastest-flowing and fastest-thinning glacier recently threw a real brain bender at scientists, who realized that instead of shrinking, the glacier is actually growing thicker, they reported in a new study. The glacier — known as Jakobshavn, which sits on Greenland’s west coast — is still contributing to sea level rise, but …