Are you planning an Arizona road trip? Then use this 10-day Arizona road trip itinerary which includes Grand Canyon, Sedona, ...

Researchers analyzed saliva the nocturnal mammals leave behind when sipping nectar from plants and residential hummingbird ...

The Italian mountaineer Carel wants to be the first man to stand on the top of the Matterhorn. Since the climb is very difficult, he agrees to try it together with the British mountaineer Whymper. But ...