Satellites have captured amazing views views of these craters on Earth. ESA explains. Nördlinger Ries, Ouarkziz Crater, ...

Methane emissions in Sweden’s Siljan Ring lakes are up to 300 times higher than expected, raising climate concerns.

Locals at Lake Siljan in northern Sweden have told of persistent winter ice holes that often occur in the same place year after year. Now, researchers from Chalmers University of Technology, in Sweden ...

ESA explains. Nördlinger Ries Ouarkziz Crater Tenoumer Crater Gosses Bluff Siljan Ring Roter Kamm Manicouagan Crater Shoemaker Crater Aorounga Crater Meteor Crater Credit: ESA Obama applauds ...