Astronomers have uncovered the strange case of a neutron star with the peculiar ability to transform from a radio pulsar into an X-ray pulsar and back again. This star’s capricious behavior appears to ...

On August 20, an X-ray instrument onboard the International Space Station (ISS) captured the brightest X-ray burst it has ever seen. The explosion came from a pulsar thousands of light-years away, ...

What's in a neutron star? Well, neutrons, obviously. However, despite the deceptively simple label, the inner working of neutron stars remain elusive, partly because their basic properties, such as ...

NICER, the Neutron star Interior Composition Explorer, is a NASA telescope that operates from the ISS, and it has made an interesting discovery. NICER has discovered X-ray surges emanating from the ...

In the most sensitive X-ray survey of our neighboring galaxy, Andromeda (M31), the X-ray Multi-Mirror satellite observatory (XMM-Newton) has uncovered hundreds of X-ray sources and provided new ...

How about the “ghostly cosmic hand” of a star corpse that exists 16,000 light-years away from Earth? With the help of NASA‘s newest X-ray telescope, the Imaging X-ray Polarimetry Explorer (IXPE), ...