Examining the blowtorch effect of satellite reentry through video

A reaction wheel—one of the heaviest parts of a space mission, its changing rotation used to shift a satellite's orientation—seen in a plasma wind tunnel belonging to the High Enthalpy Flow Diagnostics Group (HEFDiG) ...

Juice aces Callisto flyby test

Seven years from now, in April 2031, ESA's Juice mission will fly past Jupiter's moon Callisto, offering scientists a tantalizing glimpse at the mysterious, cratered alien world.

NASA technology helps guard against lunar dust

Defeating dust may be a small concern for most people on Earth, but for astronauts and spacecraft destined for the moon or Mars, it is a significant hazard that must be mitigated. That's why researchers at NASA's Kennedy ...

How much of Venus's atmosphere is coming from volcanoes?

There's a lot we don't know about the planet nearest to us. Venus is shrouded in clouds, making speculation about what's happening on its surface a parlor game for many planetary scientists for decades. But one idea that ...

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