Astronomers have discovered a likely explanation for a fracture in a huge cosmic "bone" in the Milky Way. Using NASA’s ...

Astronomers have probed the physical environment of repeating X-ray outbursts near monster black holes thanks to data from NASA's NICER (Neutron star Interior Composition Explorer) and other missions.

The IAEA built an underground lab to minimize this interference and allow precise measurements. In Monaco, heavily-shielded detectors check for tiny amounts of radioactivity in marine samples ...