The molecules, while not a direct sign of life, still signal the existence of complex chemistry on the Red Planet.

The Curiosity rover detected the largest organic molecules to date on Mars, which may be fragments of fatty acids, or some of the chemical building blocks of life.

NASA’s Curiosity Mars rover has detected the largest organic (carbon-containing) molecules ever found on the red planet. The ...

A stunning discovery on Mars has revealed the longest organic molecules ever found on the planet—carbon chains that could ...

Two NASA rovers on Mars recently made two independent discoveries further indicating that ancient life may have once existed ...

NASA’s Curiosity Mars rover has detected the largest organic (carbon-containing) molecules ever found on the red planet. The discovery is one of the most significant findings in the search for ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The NASA Curiosity ...

Get Instant Summarized Text (Gist) NASA's Curiosity rover has discovered the longest organic carbon molecules on Mars, found in a 3.7-billion-year-old rock in Gale Crater. These molecules ...

The NASA Curiosity rover has detected the largest organic molecules found to date on Mars, opening a window into the red planet’s past. The newly detected compounds suggest complex organic ...