Kalee Thompson

Meet the pioneer of what might become balloon-based space tourism

You don’t need a rocket to leave Earth. There’s a slower, gentler trip in the works—and it comes with a cocktail.

You don't need a rocket to leave Earth. There's a slower, gentler trip in the works—and it comes with a cocktail.

Next year, a new tunnel under Lake Mead will begin delivering water to Las Vegas. The project is massive, expensive, politically fraught—and a harbinger of things to come.

When a failure occurs along a line now, everything downstream from that point loses power. But there's a better way.

Extreme storms such as Hurricane Sandy have pushed the U.S. electrical grid to its breaking point. The technology exists to keep the lights on—we just need to implement it.

How to turn the bugs into power for clean energy devices

An inside look at the elusive platelet

Need a blood test? The phone in your pocket has enough power to do it

Climate change will drive people to urban areas, and smarter cities will be needed to shelter them