A self-described "armchair astronaut" claims to have identified a human (or alien) base on Mars. David Martines noticed a mysterious rectangular structure that appears to be on the Red Planet's surface while trolling the planetary surface using Google Mars, a new map program created from compiled satellite images of the planet. Read more
Alfred McEwen, who is also the director of the Planetary Imaging Research Laboratory and therefore should know a bit about this type of thing, says it's a - wait for it - glitch. Cosmic energy from the stars can interfere with a camera's image sensor, depositing electric charges in pixels. If it hits at the right angle, it can affect several pixels in a row, forming a bright streak. When it's converted to a JPEG, it smears out and looks pixellated. Read more