An international team of astrophysicists from China and Australia has for the first time determined how massive neutron stars are when they are born. "Understanding the birth masses of neutron stars ...

Gamma rays from the explosion lasted roughly a third of a second. The X-rays kept going for what the research team calls ...

Astronomers have found strong evidence that some mysterious, minutes-long X-ray flashes are produced when two neutron stars ...

Astronomers say they have traced a puzzling type of bright X-ray flash to the collision of two neutron stars. The Einstein ...

A brief collision between two dead stars may leave a much longer signal than astronomers once expected. Researchers have ...

This artist’s impression shows a magnetar—a rare type of neutron star with an extraordinarily powerful magnetic field. Neutron stars are among the most compact and extreme objects in the universe, ...

Electron-capture supernovae (ECSNe) are stellar explosions that occur in stars with initial masses around 8–10 times that of the sun. These stars develop oxygen-neon-magnesium cores, which become ...

In a strange turn of events, a supernova birthed twin baby neutron stars that merged to make a powerful kilonova. Reading time 3 minutes When massive stars die, they go out in fiery explosions called ...

Unlike most stellar explosions that fade away, supernova SN 2012au continues to shine today thanks to a powerful new pulsar. NASA, ESA, and J. DePasquale (STScI) Six years after witnessing a supernova ...

Add Yahoo as a preferred source to see more of our stories on Google. Astronomers have witnessed the titanic collision between two neutron stars that resulted in the birth of the smallest black hole ...

Astronomers may have witnessed the birth of a magnetar after two neutron stars collided, following the detection of an ...