Travel Journalist Qasa Alom visits Lake Bacalar in Mexico, famous for its brilliant seven shades of blue water. But that's ...

Stromatolites were likely the first living organisms on Earth, with fossil records dating these strange creatures back 3.7 billion years. Today, stromatolites are rare, mostly existing in fossil ...

Stromatolites also tend to grow in alkaline conditions, but the Puna de Atacama’s system of lagoons are acidic. The stromatolites found today are almost all carbonate rocks (made of limestone ...

The ecosystems that stromatolites require to thrive are delicate and most of these rare enclaves of living fossils are under threat. What Do Stromatolites Look Like? Unless you’re prepared to be ...

Stromatolites are layered biochemical structures formed in shallow water by the trapping, binding, and cementation of sedimentary grains by microorganisms.

Modern stromatolites are relatively small, Hynek said, whereas ancient stromatolites used to grow to 20 feet (6 meters) tall and 16 to 22 feet (5 to 7 meters) wide, he said.

The oldest stromatolites that scientists agree were made by living organisms date back 3.43 billion years, but there are older specimens, too. In the Dresser Formation of Western Australia, ...

They were stromatolites, but unlike any he had ever seen. Running out of time. Stromatolites, in general, refer to a range of microbial communities that are associated with layers of rock. They exist ...

Isua, where Nutman and his team recovered what could be 3.7-billion-year-old fossils. Google Maps "Seeing stromatolites in such a setting would hardly be surprising — if the rocks were half a ...

Photomicrograph of stromatolites (golden streaks in the image) from Australia's 3.5-billion-year-old Dresser Formation. (Image credit: UNSW Sydney) ...

Composite stromatolites from Carbla Province. (Image credit: Pamela Reid) Learning more about ancient structures. On Earth, microbial communities responsible for creating stromatolites were ...