The study, led by paleogeneticist Edmund Moody from the University of Bristol, claims that LUCA may have emerged 4.2 billion ...

Scientists discovered complex life may have started 1.5 billion years earlier than previously thought thanks to phosphorus.

Earth won't remain habitable forever. According to some research, the aging Sun will render it lifeless in about 900 million ...

Microbes - alive and thriving -- have been found sealed within a fracture of 2-billion-year-old rock beneath Earth's surface.

An international collaboration between four scientists from Mainz, Valencia, Madrid, and Zurich has published new research in ...

How Did Life Start on Earth? Life arose on Earth somewhere between 3.5 billion years and 3.8 billion years ago, yet the circumstances that allowed this to happen have been subject to constant ...

Earth is about 4.5 billion years old. Scientists think that by 4.3 billion years ago, Earth may have developed conditions suitable to support life. The oldest known fossils, however, are only 3.7 ...

Until now, it’s been very hard for scientists to establish a detailed timeline of the early evolution of bacteria.

were in trouble again about 419 million to 365 million years ago. This series of mass extinctions during the Devonian period eventually eliminated about 75 percent of life. However, some of Earth ...

“But 3.2 billion years ago, life was a lot simpler.” The study, published in the journal PNAS Earth, Atmospheric, and Planetary Sciences, found that the meteorite not only added phosphorus but ...