The bold question-askers at What If explore why Europa, one of Jupiter’s 79 moons, may hold the ingredients for new life.

Europa Clipper is NASA’s bold mission to investigate whether Jupiter’s moon Europa could harbor life beneath its frozen surface. The video explains how engineers designed the spacecraft to ...

Similar deep-sea volcanoes found on Earth support microbial life that lives inside solid rock without sunlight and oxygen. Some of these microbes, called thermophiles, live at temperatures hot enough ...

Explore the real and often dark reasons many people hate being alone with their thoughts.

We tested the best foam sleeping pads for backpacking as stand alone resting spots and as a way to beef up your sleep system's R-value ...

With Microsoft CEO Satya Nadella and CFO Amy Hood placing unrealistic expectations on Xbox, Windows, and others — the damage is becoming increasingly untenable.