Add Yahoo as a preferred source to see more of our stories on Google. I've been a superfan of the Alien movies for more than two decades. Its combination of sci-fi thrills, spine-tingling horror, and ...

Today marks a celestial moment of truth. As the interstellar comet 3I/ATLAS reaches its closest point to the Sun, a controversial theory faces its final test: is it just a comet, or an alien ...