Asteroid's Collision With Moon Creates 'Massive Canyons' In Less Than 10 Minutes
A new study published in Nature Communications reveals that 3.8 billion years ago, an unidentified object struck the Moon ...
Getting Your Timing Right: How to Calculate Your Pace For Hiking
Pace is everything on a hike--it's what determines if you arrive back to your car before dinner, or well after dark. Learning to determine your pace doesn't hav ...