Astronomers have identified a magnetar named SGR 0501+4516 moving at over 110,000 mph (177,000 km/h). This type of neutron ...

Some people probably believe that the twinkling effect is produced by the stars themselves, but that is not the case at all.

Astronomers have discovered a previously unknown birthplace of some of the universe's rarest elements: a giant flare ...

It's named Eos, after the Greek goddess of the dawn, and contains approximately 3,400 solar masses worth of gas.

Decades of constant X-ray emission from the Helix Nebula’s white dwarf suggest debris from a Jupiter-sized planet steadily rains upon the star.

This image of the Helix Nebula, released on March 4, 2025, shows a potentially destructive white dwarf at the nebula's center; this star ... X-ray Observatory (magenta), optical light data from ...

If dark matter is creating positrons in the CMZ, those particles will eventually slow down and eventually annihilate with electrons in the environment, producing gamma-rays at exactly 511keV energy.

A massive black hole at the heart of a galaxy in the Virgo constellation is waking up, shooting out intense X-ray flares at ...