Other possibilities exist for rewards to those who have explored the island’s unique attractions of our geology, including caves, rock arches, and sinkholes; beaches; and mountains. Dave Lotz is ...

The asteroids, chosen for their relatively stable orbits, hopefully will offer clues into the formation of Earth, such as the origins of water. China earlier returned rock samples from the moon ...

This story begins with an unexpected incident that occurred when a University of Arizona science writer was taking part in a popular Tucson activity: watching clouds of bats emerge from under a ...

Ancient fertility ritual artifacts, including shell bracelets and stone disks, were discovered inside a remote Mexican cave after nearly 500 years.

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