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Thigh bone on Mars? Curious thigh bone photo stirs absurd alien debate

A popular Mars melody says: “The knee bone’s connected to the thigh bone, the thigh bone’s connected to the hip bone, the hip bone’s connected to the elongated torso of a Mars martian's spine bone…”

Okay, so we altered the song a bit. But some are struggling to explain a recently released image from NASA’s Mars Curiosity Rover that appears to show a humanoid-like fossilized femur thigh bone, half buried in the Red Planet’s dust.

Paranormal enthusiasts at UFO Blogger wrote of the raw image, seen here in better detail at, saying that “after fossilized spine and finger” bones were discovered, the Curiosity on August 14 has now uncovered the thigh bone-like object on Mars.

The photo, as one can imagine, sparked some immediate theories. Blog site commenters boning up on their extra-terrestrial studies said they also see a footprint in the photo. Others claim that the photo is from the deserts of southern Arizona, not Mars, and that all such photos NASA has been releasing since the mid 60s have come from our own planet. Still others claim it's a fossilized reptilian spine bone.

However, the Huffington Post says that while the object certainly resembles a fossilized femur, “the odds that it's anything other than a weird-looking rock are, well, astronomical.”

Over the years, people eyeing pictures from Mars have claimed to have seen everything from an iguana to a finger to weird faces. – HuffPost

NASA has since weighed in on the photo, writing:

No bones about it! Seen by Mars rover Curiosity using its MastCam, this Mars rock may look like a femur thigh bone. Mission science team members think its shape is likely sculpted by erosion, either wind or water.

If life ever existed on Mars, scientists expect that it would be small simple life forms called microbes. Mars likely never had enough oxygen in its atmosphere and elsewhere to support more complex organisms. Thus, large fossils are not likely.

Of course, conspiracy theorists have a bone of contention with such rational explanations, and no amount of science can disprove what someone has already firmly entrenched in their mind.

Thoughts on the bone or life on Mars? Let’s hear them! Sound off below.

And see also...

Aldrin UFO: Buzz Aldrin talks alleged UFO sighting during the Apollo 11 mission

Mars doughnut rock: Mystery 'doughnut rock' solved, NASA sued over 'discovery'

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