Research sheds light on the moon's dark craters

The next wave of robots to fly to Mars in 2020 could offer scientists an unprecedented understanding of Earth's closest neighboring planet. But there are still mysteries to be solved much closer to home, on Earth's own moon.

Capturing shooting stars over Hawaiʻi

Astronomers now have a new pair of eyes to detect meteors over Hawaiʻi using a state-of-the-art monitoring system installed on the rooftops of existing buildings on Maunakea and Haleakalā. The high-speed video devices are ...

The return to Venus and what it means for Earth

Sue Smrekar really wants to go back to Venus. In her office at NASA's Jet Propulsion Laboratory in Pasadena, California, the planetary scientist displays a 30-year-old image of Venus' surface taken by the Magellan spacecraft, ...

Mapping the moon and worlds beyond

In 1972, it took an astronaut going on a spacewalk to do what Lynn Carter now can do with a few mouse clicks over lunch.

Table salt compound spotted on Europa

A familiar ingredient has been hiding in plain sight on the surface of Jupiter's moon Europa. Using a visible light spectral analysis, planetary scientists at Caltech and the Jet Propulsion Laboratory, which Caltech manages ...

Iron volcanoes may have erupted on metal asteroids

Metallic asteroids are thought to have started out as blobs of molten iron floating in space. As if that's not strange enough, scientists now think that as the metal cooled and solidified, volcanoes spewing liquid iron could ...

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