A gigantic cavity — two-thirds the area of Manhattan and almost 1,000 feet (300 meters) tall — growing at the bottom of Thwaites Glacier in West Antarctica is one of several disturbing discoveries reported in a new study of the disintegrating glacier.
Huge cavity in Antarctic glacier signals rapid decay
A gigantic cavity -- two-thirds the area of Manhattan and almost 1,000 feet (300 meters) tall -- growing at the bottom of Thwaites Glacier in West Antarctica is one of several disturbing discoveries r..
