Trending Now - NASA Rover Discovers Unprecedented Organic Molecules on Mars

WHO:

Science Daily - NASA's Curiosity rover is involved in the discovery.

Live Science - The sample was nicknamed "Mary Anning 3," after the English paleontologist Mary Anning.

WHAT:

Science Daily - Curiosity detected a variety of organic molecules on Mars, including compounds linked to the chemistry of life.

Live Science - The rock sample contains "the most diverse collection" of building blocks of life ever seen on Mars, including seven new organic molecules.

Live Science - The analysis confirmed the presence of 21 carbon-containing molecules in the sample.

Live Science - The newly found molecules include nitrogen heterocycle and benzothiophene.

WHERE:

Science Daily - The organic molecules were found in ancient clay-rich rocks on Mars that once held water.

Live Science - The "Mary Anning 3" sample was discovered in a region of Mars that was once teeming with lakes and streams.

WHEN:

Live Science - The analysis of the rock sample was published on April 21 in the journal Nature Communications.

Live Science - Curiosity drilled into the rock in 2020.

WHY:

Live Science - The findings add evidence to the theory that ancient Mars was hospitable to life.

Live Science - NASA officials stated that the discovery renewed confirmation that ancient Mars had the right chemistry to support life.

HOW:

Live Science - Curiosity uses an instrument called Sample Analysis at Mars (SAM) to analyze rock samples.

Live Science - The Mary Anning 3 sample was the first to use tetramethylammonium hydroxide (TMAH) to break apart organic molecules.

Live Science - Curiosity drills rocks using its robotic arm, turns them into powder, and analyzes the gases released.

(UPDATED April 28, 2026 15:46 UTC)

NASA's Curiosity rover has made a groundbreaking discovery on Mars, identifying a variety of organic molecules in a rock sample nicknamed "Mary Anning 3," named after the famous English paleontologist. This sample contains the most diverse collection of building blocks of life ever seen on the planet, including 21 carbon-containing molecules and seven newly identified organic compounds, all found in ancient clay-rich rocks that once held water. The analysis, which utilized a new method to break apart these organic molecules, suggests that ancient Mars had the right chemistry to support life, further confirming the planet's potential to have been hospitable to living organisms.