Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life. The problem is not finding the star.

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

The Kryptonite knives are out for Supergirl, a movie that while flawed is better than most of the caped stuff that's gotten a ...