80 million trees were wiped out in seconds in Siberia after a space rock explosion more powerful than the Hiroshima bomb, but scientists never found a crater

An explosion powerful enough to destroy millions of trees should have left behind a giant crater. Instead, when scientists ...

‘Fireworks’ spotted in stellar explosion 15 million light-years away

M83 is located about 15 million light-years away from Earth and is forming stars at a high rate. Using 14 years of Chandra ...