A wise man once said, “A bad day sailing is 100 times better than a good day at work.” For those who have known the water at her worst and best, the words couldn’t be truer. The sea or lake is the ...

How do you design a sail that can get a spacecraft to another solar system? NASA's Voyager 1 and Voyager 2 probes, which launched in the 1970s, remain the only two human-made objects ever to leave our ...

NASA's Advanced Composite Solar Sail System (ACS3) can be seen with the naked eye as it orbits Earth, and can be tracked with a helpful app. When you purchase through links on our site, we may earn an ...