Existed

• NASA's Perseverance rover has detected the most complex organic chemistry ever found on Mars within mudstones located in the Jezero Crater. • This discovery follows similar findings by the Curiosity rover in Gale Crater, situated over 2,175 miles (3,500 kilometers) away. • The presence of organic-bearing materials in two distinct locations suggests that the raw ingredients for life and environments capable of preserving them were widespread across the planet.

Their species name is well known, but until recently we’ve understood very little for certain about Homo habilis. Columnist Michael Marshall reveals what new fossils are telling us about the hominins that have been considered the first humans