Findings about life's common ancestor ~4.2bn years ago.
<br /><a href='https://www.theguardian.com/science/2025/jan/19/luca-is-the-progenitor-of-all-life-on-earth-but-its-genesis-has-implications-far-beyond-our-planet'>https://www.theguardian.com/science/2025/jan/19/luca-is-the-progenitor-of-all-life-on-earth-but-its-genesis-has-implications-far-beyond-our-planet</a>