An old riddle runs as follows. An explorer walks one mile due south, turns and walks one mile due east, turns again and walks one mile due north and winds up back at the starting point. Then the ...

At 89 years old, Bob Vail may be among the most active walkers in the country, especially for his age. The South Carolina resident lives on a quiet residential road and, lately, he’s been spending a ...

Are people on the South Pole walking upside down from the rest of the world? – Ralph P., U.S. When I was standing at the South Pole, I felt the same way I feel anywhere on Earth because my feet were ...

A British adventurer paralysed from the chest down is set to embark on an epic expedition in Antarctica in a bid to break a ...

When I was standing at the South Pole, I felt the same way I feel anywhere on Earth because my feet were still on the ground and the sky was still overhead. I’m an astrophysicist from Wisconsin who ...