Astronomers have spotted the biggest flare ever seen erupting around a black hole, which also happens to be the most distant ...

A supermassive black hole violently gobbled up an enormous star, producing a gargantuan cosmic outburst, according to a new ...

A Harvard astrophysicist who believes the Manhattan-sized comet hurtling towards Earth could possibly be fueled by alien ...

Scientists have spotted the brightest flare yet from a supermassive black hole that shines with the light of 10 trillion suns ...

After more than a decade of mystery, scientists say they’ve finally identified what wiped out more than 5 billion sea ...

The dramatic shift is a warning sign—and scientists say the changes that aren't yet visible to the naked eye are just as ...