Aug. 12 (UPI) --One photo taken recently by NASA's Perseverance rover on Mars showed an unusual noodle-like object lying on the surface of the Red Planet, but scientists have an explanation. The photo ...

For more than a millennium, many Andean peoples used an object called a "khipu" (also spelled "quipu" and pronounced "key-poo") to record and communicate information. Khipus were made with cords or ...

As far as scientists at NASA's Jet Propulsion Laboratory (JPL) know, there are not yet yarn factories on Mars. So, the image of what looks like a small Martian tumbleweed had some social media users ...