Astronomers have identified what appears to be a cosmic smoking gun for a historic supernova explosion, a find that may also help with the search for elusive dark energy in the universe. The new ...
"Our study provides a new direction to understand the whole evolutionary history of massive stars toward the formation of black hole binaries." ...
The strikingly bright shock waves from a massive star explosion first observed in 1987 can still be seen today, three decades later. This brilliant star explosion, called Supernova 1987A, occurred ...