Velella velella, or by-the-wind sailors, have become a more common sight washed up along the Oregon coast as oceans warm.

Karl Urban was perhaps lucky when he missed out on getting to star opposite the likes of Ron Perlman in this sci-fi Viking ...

Ancient Greeks believed in alien life, as well as in gods, souls, and beings that inhabited the Moon, stars, and Heavens.

Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with ...