Where is the ice on Ceres?

At first glance, Ceres, the largest body in the main asteroid belt, may not look icy. Images from NASA's Dawn spacecraft have revealed a dark, heavily cratered world whose brightest area is made of highly reflective salts—not ...

Facebook gets serious about fighting fake news (Update)

Facebook is taking new measures to curb the spread of fake news on its huge and influential social network. It will focus on the "worst of the worst" offenders and partner with outside fact-checkers and news organizations ...

New theoretical framework for improved particle accelerators

Physicists at the Princeton Plasma Physics Laboratory (PPPL), in collaboration with researchers in South Korea and Germany, have developed a theoretical framework for improving the stability and intensity of particle accelerator ...

Astronomers discover dark past of planet-eating 'Death Star'

An international team of scientists, including researchers from the University of Chicago, has made the rare discovery of a planetary system with a host star similar to Earth's sun. Especially intriguing is the star's unusual ...

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