NASA's Curiosity Rover has discovered long carbon chains on Mars. On Earth, molecules like these are overwhelmingly produced by biological processes.

Experts have found long carbon chains, containing up to 12 consecutive atoms, in samples of Martian rock which date back billions of years. These organic molecules – the longest identified so ...

A simulated view of Mars as it would be seen from the Mars Global Surveyor spacecraft (Unsplash via NASA) (CN) — Scientists have discovered the longest organic molecules ever found on Mars — carbon ...