Some rulers have no children, while other royal families are enormous. Meet 15 of them from around the world.

Google and the USO are teaming up to bridge the distance between deployed troops and their families with real-time 3D video calls. Starting next year, Google Beam — an AI-powered 3D video ...

More families around the world are choosing to have fewer children or none all. Many countries, including the U.S., now face a rapidly aging population that could begin to shrink. We look at why this ...