A supermassive black hole is reawakening inside a distant galaxy cluster—and after almost 100 million years of slumber, ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Taftan volcano in Iran ...

A volcano that has been dormant for hundreds of thousands of years could be gearing up for a massive explosion, according to new research. Scientists have measured signs of unrest at the Taftan ...