Through the years since it was first launched, the Hubble Space Telescope has captured stunning photographs of the Cassiopeia ...

Astronomers have for the first time seen the birth of a magnetar—a highly magnetized, spinning neutron star—and confirmed that it's the power source behind some of the brightest exploding stars in the ...

WASHINGTON — A supernova — the explosion marking the end of a massive star's life — is one of the brightest cosmic events, usually about a billion times more luminous than the sun. But some — a small ...

In recent years, whenever astronomers have gazed into the night sky, they’ve noticed something peculiar: Some of its massive stars—the true titans of the cosmos—appear to be missing. The largest of ...

A supernova is one of the most powerful events that can happen in the Universe - we are talking, after all, about a star exploding – and because of that, they have always been actively researched by ...

Cosmic rays seen at Earth show a wide range of particle energies, from 107 electron-volts (eV) to more than 1020 eV, the ...

Supernovas are the most brilliant of explosions. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A supernova is what happens when a star has ...

For the first time, astronomers have witnessed the birth of one of the universe's most powerful magnets, or magnetars, at the heart of an unusually bright supernova, thanks to an effect first ...

It's never too late to solve a cold case. A new paper from Syracuse University researchers proposes an explanation for both a mysterious stellar object discovered in the year 2013 and an astronomical ...