Earth's oceans may have displayed a very different color several billion years ago. This hypothesis emerges from a recent study conducted by a Japanese team. Researchers from Nagoya University ...

Witwatersrand Basin in South Africa, since the Archean Eon which is roughly 2.7 billion years old. This isn’t just an ordinary heap of debris sitting on metals; it's one of the main contributing ...

Underwater green-light environment after the emergence of cyanobacteria and photoferrotrophs in the Archaean era. Credit: Nature Ecology & Evolution (2025). DOI: 10.1038/s41559-025-02637-3 A team of ...

Scientists find evidence that our oceans used to be green, suggesting that this may be a sign of primitive life, including that on alien worlds Imagine the world’s oceans with their beautiful blue ...

Introduction. Microbial mats, stromatolites and MISS : an overview -- The geobiological concept -- Microbially induced sedimentary structures (The scholarly definition ; Taxonomic relation of MISS to ...