Is this the smallest UFO ever?

While scooping its first samples of Martian soil NASA’s Curiosity rover captured the image above, which shows what seems to be a small, seemingly metallic sliver or chip of… something… resting on the ground. Is it a piece of the rover? Or some other discarded fleck of the MSL descent mechanisms? Or perhaps an exotic Martian pebble of some sort? Nobody knows for sure yet, but it may just be the smallest UFO ever recorded (that’d be Unidentified Fallen Object…)

Read more here.

UPDATE: the object has been tentatively identified as a bit of plastic originating from the rover itself. Read more.