NASA's Europa probe gets a hotline to Earth

NASA's Europa Clipper is designed to seek out conditions suitable for life on an ice-covered moon of Jupiter. On Aug. 14, the spacecraft received a piece of hardware central to that quest: the massive dish-shaped high-gain ...

NASA InSight study finds Mars is spinning faster

Scientists have made the most precise measurements ever of Mars's rotation, for the first time detecting how the planet wobbles due to the "sloshing" of its molten metal core. The findings, detailed in a recent Nature paper, ...

Discharge test for launcher antenna

Keeping a launcher in flight connected with the ground is one of the toughest jobs an antenna can have. Having to contend with high temperatures, vibration and atmospheric slipstream is hard enough, but shifting atmospheric ...

Astronomers want to build the next-generation Arecibo telescope

The Arecibo Telescope was an amazing tool for astronomers. Built in the early 1960s, it had a 1,000-foot-wide dish and was capable of both receiving and transmitting radio signals. It did radar mapping of near-Earth asteroids, ...

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