The paper, by K.H. Kjær at University of Copenhagen in Copenhagen, Denmark, and colleagues was titled, "A large impact crater beneath Hiawatha Glacier in northwest Greenland." ...

Researchers have proposed many origins for a gravity anomaly in Wilkes Land, East Antarctica, but the latest evidence ...

Greenland is hiding an explosive secret under ... bowl-like depression - it looked like a giant asteroid impact crater. The scientists wanted to be sure, though, since this would be the one ...

Map of the bedrock topography beneath the ice sheet and the ice-free land surrounding the Hiawatha impact crater. The structure is 31 km wide, with a prominent rim surrounding the structure.

"Uncovering this impact and finding more from the ... While some past claims of ancient craters, such as those in Greenland, have been inconclusive, the new discovery is backed by strong ...