NASA's Perseverance rover regularly images a Sherlock Holmes–themed maze to calibrate its chemical-hunting SHERLOC instrument ...

NASA’s Perseverance rover keeps photographing a maze — but it's not on Mars. Learn how this intricate pattern helps calibrate SHERLOC, the rover’s high-tech tool for detecting signs of ancient life.

NASA’s Perseverance rover has sent back thousands of images from Mars, but one recurring subject stands out: a tiny, ...

The P/B ratio shows how a stock's market price compares to its book value. It helps gauge whether a stock is undervalued or overvalued relative to its net assets.