I've hiked Big Bend National Park, ridden a mule down the Grand Canyon and paddled a kayak at Glacier National Park. I'm ...
The final act of the Blue Ghost lander's busy two weeks on the moon was to send back sunset shots featuring Earth and Venus.
A huge sun eruption combines with speedy solar wind from a "coronal hole" for a weekend aurora show, experts predict.
Watch: During storm season in Wyoming, this photographer manages to capture an unbelievably breathtaking sunset.