Satellites have captured amazing views views of these craters on Earth. ESA explains. Nördlinger Ries Ouarkziz Crater Tenoumer Crater Gosses Bluff Siljan Ring Roter Kamm Manicouagan Crater Shoemaker C ...
Is Earth really exceptional? A new book seems to reaffirm that notion. But given the right conditions, primitive life may be a mere byproduct of biophysics.