NASA is not altering Mars colours It's much less exciting than a conspiracy theory, admittedly.
Liftoff with the Space Shuttle. NASA attached a small RocketCam to the side of the External Tank on the launch of the Space Shuttle Atlantis earlier this month. You can also download the full video.
Puzzling X-rays from Jupiter "We weren't surprised to find x-rays coming from Jupiter." Other observatories had done that years ago. The surprise is what Chandra has revealed for the very first time: the location of the beacon -- surprisingly close the planet's pole -- and the regular way it pulses. (Via Fark.)