Gamma rays are invisible and ultra-powerful forms of light. They are the most energetic source of radiation known in the ...

Boffins are scratching their heads over another mysterious signal which is believed to have originated from the edge of the ...

NASA has captured 25 years of observations from the Chandra X-ray Observatory showing the aftermath of Kepler’s Supernova, a ...

It's the last clearly observed supernova in the Milky Way, Gassel said.

What we know of the birth of a black hole has traditionally aligned with our perception of black holes themselves: dark, ...

Kepler's supernova remnant is extremely exciting for astronomers – a rare example of a supernova for which we have a clear ...

“Supernova explosions and the elements they hurl into space are the lifeblood of new stars and planets,” said Brian Williams ...

Black holes are not cosmic vacuum cleaners. They are among the universe’s most extreme objects - and come in different sizes.