The Opportunity rover's famous last words — "my battery is low and it's getting dark" — were never actually sent from Mars. The real story of where that sentence came from is stranger, and somehow sad

If you spend any time online, you’ve almost certainly encountered the story. When NASA’s Opportunity rover died on Mars, the tale goes, its final transmission was heartbreakingly human. As a planet-wide dust storm blotted out the sun and its solar panels failed, the little rover sent one last message home: my battery is low and […]