You could jump off the solar system's tallest cliff...and survive

Verona Rupes is a huge cliff face located on Uranus's moon Miranda. It's the tallest cliff in the solar system, as much as twenty kilometers deep. If you jumped off it, you'd fall for twelve minutes...and you could still survive. » 4/04/11 2:00pm 4/04/11 2:00pm

The Rough Guide to Solar System Mountaineering

The great challenge for any climber is to conquer each continent's tallest mountain. But tomorrow's climbers can consider a far more extreme challenge: leaving Earth to climb the tallest peaks of the solar system. Here's how they'll do it. » 10/01/10 9:30am 10/01/10 9:30am