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 ...

Scientists show how terrain evolves on an icy comet

With an eye toward a possible return mission years in the future, Cornell astronomers have shown how smooth terrains—a good place to land a spacecraft and to scoop up samples—evolve on the icy world of comets.

'Spot the difference' to help reveal Rosetta image secrets

Today, ESA and the Zooniverse launch Rosetta Zoo, a citizen science project that invites volunteers to engage in a cosmic game of "spot the difference." By browsing through pictures collected by ESA's Rosetta mission, you ...

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 ...

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