The deep ocean is about as mysterious as the depths of outer space, and it's home to some bizarre finds, from tiny angelic creatures to giant worms.

The deep sea, a realm of perpetual darkness, crushing pressure, and cold temperatures, is home to some of the most unusual and mysterious creatures on Earth. Recent discoveries have unveiled a host of ...

If a pair of black holes coalesce into one, much of that vast energy can be released in a few seconds.