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Virgin Orbit, the satellite launch company founded by the billionaire entrepreneur Richard Branson, is pausing all operations and furloughing nearly all of its employees, in an attempt to shore up its ...

Earth’s path around the Sun is not a fixed racetrack but a slowly shifting orbit, and those subtle changes have a long history of reshaping the planet’s climate. As astronomers refine how these ...

Researchers today released the first Mars images from two of the three science cameras on NASA’s Mars Reconnaissance Orbiter. Images taken by the orbiter’s Context Camera and Mars Color Imager during ...