These houses of worship commissioned by Stephen the Great in the 15th century make up a biblical tapestry of Byzantine art on.natgeo.com/2P2ZfaB

In Yellowstone National Park, photographer Thomas Szajner captured this beautiful scene "when morning sunlight, fog, and shadows dance." on.natgeo.com/2BsXE5Y

Freshwater makes up less than three percent of Earth’s water supply but is home to almost half of all fish species on.natgeo.com/2qvHhU3

There are benefits to sending women on future space missions that go beyond the physical on.natgeo.com/2pAjcLd

Drones offer a less invasive way to study sharks—but some encounters are unavoidable pic.twitter.com/bZm8KvG58k

Saharan silver ants can run their body length in less than a hundredth of a second—the equivalent of a human running 400 miles an hour on.natgeo.com/31yJoD7