Deep space travel has a biology problem. Human bodies are built for a narrow band of temperatures, gravity and radiation, yet ...

Like stretch marks left on skin that expanded too quickly or cracks embedded in freezing ice, cosmic strings are artifacts of ...

Researchers at the University of Colorado at Boulder have developed a groundbreaking plasma tunnel to simulate the extreme ...

Musk weighed in on all of it at this week’s World Economic Forum. But his predictions rarely work out the way he says they ...