For more than a century, popular culture has trained us to picture extraterrestrials as bug-eyed, bipedal “little green men” ...

Purple is the new green, as far as aliens are concerned, anyway. If you were asked to imagine an alien planet, it would be reasonable to imagine a green earth-like rock orbiting somewhere in a distant ...

The universe just sent us a problem. It's a fast-moving, utterly bizarre object from outside our solar system, and it has ...