Images of an unusual pyramid-shaped structure on Mars that look like those in Egypt have reignited wild theories about aliens living on the planet.
All sorts of bizarre objects have been spotted on the Red Planet over the years, including what appears to be a helmet and even an eerie doorway.
These tend to spark conspiracy theories that an ancient alien civilisation may have once lived on Mars.
Back in 2001, independent imaging specialist Keith Laney noticed a strange pyramid structure on the planet from Nasa footage.
At the time, he said: “Were this found anywhere on Earth, we’d surely be digging into it.”
Now a documentary maker has raised attention of it once more on social media.
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