Japanese astronomers have presented new results of observations that suggest an unidentified X-ray source designated AX ...

Researchers suggest powerful bursts from magnetars—collapsed stars with strong magnetic fields—may have contributed up to 10 ...

Have you ever had an X-ray taken of your bones? Well, so has the Milky Way. NASA's Chandra X-ray Observatory regularly images ...

Using cutting-edge theoretical models and data from NASA's Chandra X-ray Observatory, scientists have transformed ...

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.

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

Near the center of the Milky Way are enormous filaments of radio energy that sometimes look like bones, and one in particular ...

Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...