NASA's Curiosity Rover found promising organic chemicals on Mars

The hunt for signs of life connected Mars continues to output promising data. A first-of-its-kind bedewed chemistry experiment, published Tuesday successful Nature, confirmed nan beingness of basal ingredients of life preserved successful ancient Martian sandstones.

The molecules were recovered wrong 3.5-billion-year-old sandstone. NASA's Curiosity rover collected nan clay-filled rocks from an area called Glen Torridon, wrong Mars' tremendous Gale Crater. The rover's Sample Analysis astatine Mars (SAM) mobile instrumentality suite analyzed nan data.

The research was unsocial arsenic nan first off-Earth study to usage nan chemic tetramethylammonium hydroxide (TMAH). The reagent allows Curiosity to break down larger integrated molecules connected nan Martian surface, reducing them to thing nan rover's instruments tin read.

It revealed nan beingness of complete 20 different integrated molecules. Among nan information was confirmation of naphthalene and benzothiophene, immoderate of nan largest and astir analyzable integrated compounds discovered connected nan Red Planet. The research besides yielded nan first discovery of a imaginable N-heterocycles, which DNA and RNA are built upon.

“That discovery is beautiful profound because these structures tin beryllium chemic precursors to much analyzable nitrogen-bearing molecules,” nan paper’s lead author, Amy Williams, wrote successful NASA’s announcement. “Nitrogen heterocycles person ne'er been recovered earlier connected nan Martian aboveground aliases confirmed successful Martian meteorites.”

As pinch erstwhile discoveries of integrated worldly connected Mars, this 1 is not yet nan smoking weapon we've been waiting for. But it adds to a increasing assemblage of grounds that, astatine a minimum, nan foundations of life arsenic we cognize it were coming connected an ancient type of nan planet. The study besides confirms that integrated worldly tin past connected Mars for billions of years, which will promote early experiments.

The paper's authors opportunity nan information will thief NASA to optimize its 2nd (and final) TMAH research connected Curiosity. It besides opens nan doorway to early TMAH tests connected nan Rosalind Franklin Mars rover and nan Dragonfly ngo to Saturn's moon, Titan. Both missions are scheduled for 2028 astatine nan earliest.