A giant asteroid impact crater has been found under Greenland's Hiawatha Glacier. Advanced radar revealed the enormous structure. Scientists analysed meltwater sediments, finding shocked quartz and ...

An international team of researchers, including a NASA glaciologist, has discovered a large meteorite impact crater hiding beneath more than a half-mile of ice in northwest Greenland. The crater — the ...

Scientists have discovered a possible second impact crater buried under more than a mile of ice in northwest Greenland. This follows the finding, announced in November 2018, of a 19-mile-wide crater ...

Ice radar survey over Hiawatha Glacier by the Alfred Wegener Institute's Polar 6 research aircraft. The radar data reveal both the topography of the impact crater beneath the ice, as well as the ...

The age of a 31-kilometer (19-mile) wide meteorite crater discovered under a kilometer of Greenland ice had long puzzled scientists. The Hiawatha crater was exceptionally well preserved despite ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Mar 09, 2022, 02:46pm EST Mar 10, 2022, 08:09am EST This article ...

Researchers have dated the enormous Hiawatha impact crater, a 31-kilometer-wide meteorite crater buried under a kilometer of Greenlandic ice. The dating ends speculation that the meteorite impacted ...