11/02/2021

Diversity in policing can improve police-civilian interactions

The recent killings of Black Americans have reignited calls for policing reform, including proposals to diversify police departments, which have historically been made up of white, male officers. Yet, few studies have examined ...

ExoMars discovers new gas and traces water loss on Mars

Sea salt embedded in the dusty surface of Mars and lofted into the planet's atmosphere has led to the discovery of hydrogen chloride—the first time the ESA-Roscosmos ExoMars Trace Gas Orbiter has detected a new gas. The ...

Hubble uncovers concentration of small black holes

Globular clusters are extremely dense stellar systems, in which stars are packed closely together. They are also typically very old—the globular cluster that is the focus of this study, NGC 6397, is almost as old as the ...

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