NASA astronaut Mike Fincke handed over command of the space station to Roscosmos cosmonaut Sergey Kud-Sverchkov early Monday.

Portugal has bridged its maritime past with a lunar future by becoming the 60th nation to sign the Artemis Accords.

Welcome to the first of our series Notes from a Small Planet. Maverick Earth was started out of concern over global warming, ...

A key Earth observation satellite and fifteen smaller co-passenger satellites were lost when India's Polar Satellite Launch ...