A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

Wu designed and executed an experiment that questioned — and then disproved — the infallibility of parity. After freezing a ...

When is it OK to kill an alien life-form? In the movies, the answer is usually pretty simple: It’s OK in self-defense, especially if it inspires a rousing speech about human exceptionalism. But in the ...