Three billion years ago, a sun -like star reached the end of its life, throwing off its outer layers following its red giant ...

A study of supernova remnant SNR 0519-69.0 using the Chandra X-ray telescope, Hubble and more has narrowed down its age to ...

The Hubble Space Telescope has been used to determine the mass of white dwarf star LAWD 37. It is "56 percent the mass of our ...

A couple months back, astronomers officially confirmed the existence of “Betelbuddy,” Betelgeuse’s long-suspected companion ...

As the collapsed core of a massive star, a neutron star is a small but incredibly dense object, packing up to three times the ...

V Sagittae’s violent mass transfer hints at an imminent nova—and a future supernova visible from Earth. Binary star systems are fairly common in the universe, as are pairs where one star is a compact ...

When astronomers pointed the James Webb Space Telescope (JWST) at a faint object orbiting a distant star system, they weren’t expecting to find one of the universe’s strangest chemical ...

The first double-burst supernova ever observed, SNR 0509, is a historic discovery that reveals how white dwarfs explode in the cosmos.

Astronomers capture first clear image of a star’s double explosion, confirming a rare supernova theory with striking visual ...

Electron-capture supernovae (ECSNe) are stellar explosions that occur in stars with initial masses around 8–10 times that of ...

As the human race searches the cosmos for any sign of life, a ghostly pulse that is being emitted every 18 minutes has been ...

In a secluded corner of the Lynx constellation, just 18 light-years from our planet, astronomers have found a stunning ...