A new study could help settle arguments over which microfossils are signs of early life and which are not. Fossilized spheres and filaments--two common bacterial shapes--made of organic carbon ...

This last category includes some recent high-profile finds, including those from 4-billion-year-old rocks in Canada. ‘Chemical gardening’ can produce mineral features similar to those claimed to be ...

Microfossils have a tendency to muck with our timeline of when life formed on Earth. As their name suggests, these ancient rocks contain the tiny fossilized remains of protists and bacteria, and ...

Microfossils may capture a jump in the complexity of life that coincided with the rise of oxygen in Earth's atmosphere and oceans, according to an international team of scientists.

It's not like we are doomed to never be able to tell what the real microfossils are. We just have to get better at it." Story Source: Materials provided by Geological Society of America.

MARSH: It's a hop, skip and a jump over that ridge to where we're going. SEVIGNY: Oh, my gosh. These hills are full of microfossils from 200-million-year-old frogs, lizards and other small animals.

A new study could help settle arguments over which microfossils are signs of early life and which are not. The study was published in the journal 'Geology'. The new experiments by geobiologists ...

Paleontologists are taking a close look at these microfossils and say they, too, hold the secrets of the past. Member station KNAU's Melissa Sevigny reports. MELISSA SEVIGNY: The colorful hills of ...