The tide is heading out and the sandy stretch of beach and tide pools are exposed. Kéet, my border collie, bounds along beside me. Up the beach, near the short trailhead, my dad sits on a log. I walk ...

With a shell that looks like a full moon, egg cases that look like broken pottery on the seafloor, a unique predatory style and even a feature comparable belly button, the moon snail that frequents La ...

The Tibetan Plateau in south-central Asia, because of its size, elevation and impact on climate, is one of the world's greatest geological oddities. At about 960,000 square miles it covers slightly ...