Unlike simple equations like the quadratic equation, most equations do not have nice, simple, general solutions.
Bats aren't the only animals that engage in certain activities while hanging upside down, but they're the only mammals capable of powered flight—which partly explains their topsy-turvy behavior.
Mission control personnel go through a lot more simulations than astronauts. And they don't always go according to plan …
There are three main factors that can help forecast turbulence.
Today's Big Question.