A Chinese satellite has split pairs of "entangled photons" and transmitted them to separate ground stations 745 miles apart, smashing the previous distance record for such a feat and opening new possibilities in quantum communication.
Imagine a planet like the Earth, orbiting a distant star. Could that planet have life? Well, life on Earth (the only life we know) needs liquid water. So to find life on another planet, we think that that planet would have to be "just right."