Tag - Billion

Microbes Found Alive Sealed in Rock For 2 Billion Years

Green dye highlighting the DNA of microbes in a sample. (Suzuki et al., Microbial Ecology, 2024)Deep underground, a community of microbes has thrived in isolation for billions of years. These organisms, found in 2 billion-year-old rock, have been cut off far longer than any known subterranean microbes, surpassing the previous record of 100 million years.Geomicrobiologist...