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

The Perseverance rover has found some intriguing samples on the red planet. Here's what they might reveal about the origins ...

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

NASA's Perseverance rover captured two swirling dust devils in January on the surface of Mars after summitting the Jezero ...

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

The efforts made by humans to learn as much as possible about Mars are numerous, and NASA has an indispensable ally on the ...

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

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

Curiosity has previously discovered small organic molecules on Mars, but these recently found compounds are larger and would ...

NASA's Curiosity rover made a compelling find on Mars ' irradiated surface.

Multiple plans exist to explore Mars in the coming decades using robotic and crewed missions. The ultimate goal of these ...

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