Why is the dead sea dead?

Get to grips with groundwater and discover where it comes from

Mars once had vast oceans on its surface. Then its magnetic field weakened, its atmosphere thinned, and its water vanished. But the numbers don’t add up. For the Red Planet to have transformed from a

WONDERS OF THE OCEAN

FIRE AND ICE A hike up the ...

Cumbria The Lake District has an excess of great options, but we’re highlighting exquisite Ullswater, England’s second-largest lake. It’s a superb destination with beautiful mountain scenery and breat

Take a deep dive into some of the world’s most curious submerged sites