The 700–1,300 feet-wide space rock deformed rocks more than six miles from the impact site when it hit 600 million years ago.

From snowboarding on Antarctic icebergs to wingsuit flying through the Swiss Alps, a line-up of award-winning adventure films ...

Uncle Bob is visiting Australia’s Northern Territory. It’s huge ... which is a narrow valley between two steep mountains. Sara: Ah, and there goes the flying doctor. The outback is so big ...