Though there is no single agreed-upon date, the Archean looks promising as a time when big geological changes were happening on Earth. "It points to a really important transition," said Nadja Drabon, ...

The appearance of oxygen in Earth's atmosphere was a turning point in the history of our planet, forever transforming the environment and setting the stage for complex life. This event, known as the ...

A new study examines nickel and urea in early microbial habitats, showing how ancient cyanobacteria adapted to their chemical ...

Some 2.3 billion years ago, the Earth would have been unrecognizable to us. At that time, ancient microorganisms were the dominant life form; there were no animals, no plant life, and certainly no ...

Hidden in Japan’s bubbling hot springs, scientists may have found living echoes of Earth’s earliest organisms: survivors from ...

More than two billion years ago, Earth experienced one of the most important turning points in its history: the rise of ...

CSIR-National Geophysical Research Institute (NGRI) chief scientist M. Ram Mohan has been elected Fellow of the National Academy of Sciences (NASI) for his outstanding research contributions in the ...

This is what’s known as the "Purple Earth Hypothesis", an idea first proposed by Professor Shiladitya DasSarma, molecular ...

When we discuss climate change today, we are mostly concerned with how such change will impact our environment and our lives. We look to the past to help understand climate cycles and how our current ...

Current conditions in Japanese hot springs give clues as to how some of these ancient microorganisms survived and adapted.