NASA's Mars 2020 heads into the test chamber

In this time-lapse video, taken on Oct. 9, 2019, at NASA's Jet Propulsion Laboratory in Pasadena, California, bunny-suited engineers move the Mars 2020 rover from a high bay in the Spacecraft Simulator Building into the facility's ...

Ariane 6's core engine completes qualification tests

Ariane 6, Europe's next-generation launch vehicle, has passed another key development milestone. Its Vulcain 2.1 liquid-fueled engine has now completed its qualification testing, which means combined tests can now begin.

How NASA prepares spacecraft for the harsh radiation of space

In a small, square room walled by four feet of concrete, the air smells as if a lightning storm just passed through—crisp and acrid, like cleaning supplies. Outside, that's the smell of lightning ripping apart oxygen in ...

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