NASA probe OSIRIS-REx 'boops' asteroid Bennu in historic mission

After a four-year journey, NASA's robotic spacecraft OSIRIS-REx briefly touched down on asteroid Bennu's boulder-strewn surface on Tuesday to collect rock and dust samples in a precision operation 200 million miles (330 million ...

Enzyme 'atlas' helps researchers decipher cellular pathways

One of the most important classes of human enzymes are protein kinases—signaling molecules that regulate nearly all cellular activities, including growth, cell division, and metabolism. Dysfunction in these cellular pathways ...

Wind drives geology on Mars these days

A new paper based on exploration by the NASA's Curiosity Mars rover—and reviewed by an astronaut while she was on the International Space Station (ISS), in what may be a first for peer-reviewed science literature—describes ...

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