Add Yahoo as a preferred source to see more of our stories on Google. The natural world is full of mystery, but nothing captures the imagination quite like enigmatic sounds that defy explanation. From ...

Nearly 30 years after it was first recorded, people are still arguing about a single sound from the deep ocean. The “Bloop,” a strange, powerful underwater noise picked up in 1997, has been folded ...

The world’s oceans cover more than 70 percent of Earth’s surface, yet much of their depths remain unexplored. Scientists ...