Scientists don't call it the "Great Dying" for nothing. About 252 million years ago, upward of 80% of all marine species ...

Greenland has 56,000 people, one grocery store chain and enough rare earths to keep a superpower humming. Washington wants it ...

Maxar's detailed digital Earth joins a growing AI push to help robots orient themselves in the face of GPS attacks.

And by the Second World War, the forerunners to today’s ... out those gravitational hills and valleys, approximating the Earth in a more familiar way, slightly flattened at the poles and bulging ...