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." Advanced Search Home ...

Researchers Baffled To Find World's Oldest Impact Crater, Redefines How Our Planet Was Shaped Land features reflect the ...

Mar. 9, 2022 — 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 ...

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.

The discovery of a massive crater formed by the impact of a meteorite more than three billion years ago is changing the way scientists view the history of Earth and the planet's stages of evolution.

Scientists have long sought to determine the age of the moon's South Pole–Aitken (SPA) basin, the largest and oldest known ...