NASA rover adds to the list of organic compounds detected on Mars

Performing a type of experiment never before tried beyond Earth, NASA’s Curiosity rover has identified more organic compounds on Mars as scientists strive to learn whether the Red Planet ever harbored ​life.

Five of the seven diverse organic compounds confirmed by the six-wheeled rover in rock that formed in a dried lakebed near the planet’s equator ‌had never previously been identified on Mars, the researchers said. The experiment also hinted