An image taken by Curiosity last month has sparked claims of a long-lost civilization on the Red Planet after some spotted a ...

Scientists have solved the mystery of an unusual circular structure beneath the North Sea that has been debated for more than two decades.

Add Yahoo as a preferred source to see more of our stories on Google. The so-called Candor Tetrahedron. (NASA/JPL-Caltech/UArizona) It would be tempting to assume there's nothing much of note ...

Dark matter is one of the biggest mysteries in science. It cannot be seen directly because it does not emit, absorb, or ...

Far below your feet, nearly 1,800 miles beneath oceans and continents, Earth carries two massive scars from its violent youth. They are so large they rival continents in size, yet no human will ever ...

When construction crews started working on a storm overflow basin along the banks of the Main River in Aschaffenburg, Germany, experts were fairly certain they wouldn't find anything of archaeological ...