Summary:

- Researchers have discovered what appears to be the oldest living organisms on Earth, trapped in 2-billion-year-old rock formations in the Sahara Desert.
- The microscopic fossils are believed to be cyanobacteria, a type of photosynthetic bacteria that were among the first lifeforms on the planet.
- The discovery provides valuable insights into the early evolution of life on Earth and the conditions that allowed these ancient organisms to thrive in a very different environment compared to today.