Laguna Verde in Bolivia is one of the most toxic lakes on Earth, with its emerald-green waters concealing a deadly secret - but it's also being probed by Mars researchers ...

There are 50 seas in the world, according to a ... many people consider this sea to be the most dangerous of all. There is no hidden mystery beneath these waters, but the sea here is considered ...

There are plenty of desirable locations where traveling can be tricky—or downright deadly. Read through our list of the most ...

The Nazi invasion of Norway in 1940 transferred control of the plant—and most of the world's heavy water—to Germany. In the early 1940s, Allied countries joined the race for heavy water ...