One of the largest known stars in the cosmos is poised for catastrophe. After witnessing the massive object undergo a dramatic transformation, a team of astronomers say the star is on the verge of ...
A cosmic explosion with an energy level equivalent to the output of a billion of suns went unnoticed by astronomers — until they caught the "echo" of this so-called gamma-ray burst, that is.
Astronomers once struggled to measure the true size of the universe. Then came the discovery of Type Ia supernovae — explosions so consistent in brightness they could serve as “standard candles.” By ...
An incredibly powerful flash of X-rays spotted by the Einstein Probe telescope appears to be a kind of explosion first ...
By Will Dunham WASHINGTON, April 3 (Reuters) - A supernova - the explosive death of a star - is always violent, blasting material into space while typically leaving behind a compact stellar remnant ...