Curiosity Rover Uncovers Complex Organic Molecules in Mars Breakthrough

35 articles · Updated · Phys.org · Apr 21

NASA's Curiosity rover has detected over 20 diverse organic molecules on Mars, including potential building blocks of life, using a novel chemical experiment.
The experiment, performed in clay-rich rocks within Gale Crater, identified nitrogen- and sulfur-bearing molecules, some resembling precursors to DNA and other life-essential compounds.
While not direct evidence of life, the findings suggest Mars once had the chemical ingredients for life and inform future missions searching for biosignatures on other worlds.

Curiosity found organic molecules, but can science ever prove they came from ancient Martian life?

Did the same meteorites that may have seeded life on Earth also reach ancient Mars?

After finding life's ingredients on Mars, is Saturn's moon Titan our next best hope for answers?

With Mars Sample Return canceled, how will we confirm these groundbreaking discoveries without samples on Earth?

Mars holds life's building blocks, so why are key NASA missions now facing massive budget cuts?