Muck Discovered on Mars!

Scientists are puzzled about a patch of soil near the Mars rover Spirit lander that they now call "Magic Carpet". The intrigue has been stirred up by how soil behaved when the lander’s airbags scraped across the martian soil. That soil appears to have been peeled away.

"If it looks like muck, and it puddles like muck, and it tracks like muck -- it must be muck."