As the US sets its sights on establishing a permanent base on the moon, its foothold in an area of space much closer to home is growing more uncertain.

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 ...

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

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.

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