A supernova is a stellar explosion, which occurs when the lives of some really massive stars come to an end. In this violent epilogue, the star expels the material from its outer layers by means of a ...

When stars die, they spread the elements they’ve created in their cores out to space. But other objects and processes in space also create elements. Eventually, that “star stuff” scatters across the ...

Two years ago astronomers for the first time observed the collision of two neutron stars, which created gravitational waves and light and created heavy elements such as gold, platinum and lead. These ...

Scientists have turned to artificial intelligence (AI) to better understand why some dead stellar remnants called white dwarf stars explode. These energetic explosions, called Type Ia supernovas, ...

Not all stars are created equally. Astronomers believe that the first stars to form after the Big Bang were mostly made of ...

If you ever wondered what would happen if you were to throw a black hole at a star, well astronomers now have an answer: it goes "boom" in a truly distinctive way. Researchers have spotted an ...

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The exploded star Tycho, called the Tycho Supernova. (It's not the star recently observed exploding, but a past supernova event.) Credit: NASA / CXC / RIKEN and GSFC / T. Sato et al. / Optical: DSS ...