4 trends tracked about this subject — the full history, oldest to newest below.
Astronomers uncover a key sugar molecule in a cosmic dust cloud—raising questions about the building blocks of life in space
NASA’s Curiosity rover has identified 21 carbon-based molecules in ancient Martian rock, intensifying the search for biological precursors on the red planet.
NASA’s rovers have identified complex organic molecules and carbon signatures in Martian rock formations, heightening interest in the planet's history.
Mars' ancient waterworld and a rover’s accidental discovery upend the search for extraterrestrial life