An American physicist and Canadian computer scientist received the A.M. Turing Award on Wednesday for their groundbreaking work on quantum key cryptography.

The African continent is splitting along a triple junction of rifts that converge in Afar, Ethiopia. A new ocean may take millions of years to form, but that is giving scientists ample time to glean ...

A spacecraft could plunge into Earth’s atmosphere as soon as Tuesday. While most of the probe will likely burn up during reentry, a few components are expected to survive.