Dark matter has a firm grip on these galaxies

The elliptical galaxy NGC 1270 lies about 240 million light-years away. But it's not alone. It's part of the Perseus Cluster (Abell 426), the brightest X-ray object in the sky and one of the most massive objects in the universe.

Record gamma rays detected at Milky Way's core

At the High-Altitude Water Cherenkov (HAWC) observatory, 13,000 feet above sea level on the Sierra Negra volcano of Mexico, researchers are getting a look into a violent mystery in the Milky Way galaxy. An international research ...

Researchers succeed in taking 3D X-ray images of a skyrmion

A difficult-to-describe nanoscale object called the magnetic skyrmion might one day yield new microelectronic devices that can do much more—for example, massive data storage—all while consuming much less power.

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