“It’s a huge wall, a Game of Thrones-style wall of ice that towers above the ship. With some waves breaking against it and if ...

Professional climbers Tim Emmett and Klemen Premrl ascend 'Mission to Mars' rated as the hardest ice ... behind it overhangs 45 degrees. “Climbing [here] is out of this world,” Premrl wrote ...

A23a - the world’s largest and oldest iceberg - has run aground on the continental shelf near the island of South Georgia, scientists say. The nearly one-trillion-tonne block of ice was calved ...