China has fired a precision laser across 80,778 miles (130,000 km) of space in broad daylight, bounced it off a satellite circling the Moon, and measured the return, marking the world’s first ...

100 Beaches of a Lifetime includes beaches all over the world, from the most iconic to the ones with the best wildlife viewing. Photograph by Denis Belitsky, Shutterstock From Hawaii's Papakōlea ...

The world's total net wealth has hit $431 trillion, nearly half a quadrillion dollars, and over a quarter of it is controlled by millionaires. That $431 trillion figure includes "the sum of ...