Data from Europe's Gaia spacecraft have revealed that a cluster of 1,000 stars is breaking up much faster than is normal, stumping astronomers.
Neutron stars are some of the weirdest cosmic objects, and the greatest mysteries lie deep in their hearts.
Astronomers have observed a twinkling star and discovered an abundance of mysterious plasma structures in our cosmic neighborhood.
Using the Hubble and Gaia space telescopes, astronomers have discovered that a powerfully magnetic neutron star in the Milky Way wasn't born in a supernova.
In 23 billion years, these two white dwarf stars will collide. Then, they'll explore. Here's why scientists say this discovery is such a big deal.
Scientists are probing stellar "quakes" to understand what lies beneath the surface of a star's body.
The nova is ignited when a "vampirific" white dwarf steals too much matter from a companion star.
The cosmic pinwheel that astronomers feared could one day shower Earth with lethal gamma rays may not be as dangerous as once thought.
Astronomers have discovered that many infant stars born in stellar nurseries of the early universe may have preferred "fluffy" stellar blankets.
A flash of X-ray light has revealed the existence of an odd couple of stars, a massive star and a white dwarf, that shouldn't really exist together.