As temperatures across the Midwest tumbled below zero overnight Tuesday into Wednesday, many reported being awakened by the sound of loud booms, cracks and pops. Some even reported feeling tremors.

When you buy through links on our articles, Future and its syndication partners may earn a commission. Researchers recorded ice quakes in the Greenland Ice Sheet by lowering a fiber-optic cable down a ...

A frozen phenomenon has been uncovered in Greenland, and it’s changing the way scientists think about glaciers. For the first time ever, researchers have found evidence of what they are calling “ice ...

Part of an ice core taken from a borehole drilled in the Northeast Greenland Ice Stream Lukasz Larsson Warzecha / LWimages via ETH Zürich Greenland’s ice sheet is melting at an alarming rate, ...

A researcher lowers a fiber-optic cable 1,500 meters into the borehole in or-der to record signals from inside the ice stream continuously for 14 hours. Credit: ETH Zurich A researcher lowers a ...

An international team of researchers has shown that countless tiny ice quakes take place in one of Greenland's mightiest ice streams. This finding will allow the flowing of the ice sheet and ...