2024
July
Public Domain by NASA/Apollo 17 crew
| Studying the genome of living beings, scientists estimate that the "Last Universal Common Ancestor" (LUCA) lived some 4.2 billion years ago. That is, surprisingly life would have started only a few hundred million years after Earth itself formed some 4.5 billion years ago. related: #life #Earth |
See also on Mastodon @neat_news.