Scientists have discovered that some of the universe's most powerful explosions, hypernovas, may not happen at all.

The biggest known explosion in the universe has been spotted by astronomers — and it was so intense it punched a crater the size of 15 Milky Way galaxies into a part of space hundreds of millions of ...

On the morning of December 6, 1917, the city of Halifax, Nova Scotia, was going about its business as a busy wartime port. The First World War was raging in Europe, and Halifax’s harbor was one of the ...

Add Yahoo as a preferred source to see more of our stories on Google. Syrian state TV is reporting that at least 18 people were injured after explosions hit the Syrian capital of Damascus during a ...