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

While the presence of these molecules is not proof of ancient life on Mars, scientists say it shows we could detect chemical ...

The molecules may be remnants of fatty acids, which form cell membranes in Earth’s organisms, though they might have formed ...

The Mars Curiosity rover’s onboard mini-lab has helped confirm the existence of the largest organic molecules ever found on ...

NASA’s Curiosity rover has been crawling across the dusty, windswept plains of Mars, drilling into rocks and, in the process, ...

Researchers caution that the molecules could be of abiotic or biological origin, and do not represent definitive proof of ...

A team of scientists just discovered the longest organic molecules yet seen on Mars, the fourth planet from the Sun and and a ...

Advertisement Nicknamed the "Cumberland sample," the organic compounds were drilled in 2013 ... one expert suggests the scientific material was the best chance they had to identify remains of ...

Explore the latest find from NASA’s Curiosity rover and what it reveals about organic matter beyond our planet.

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