WASHINGTON—A NASA scientist reports detecting tiny fossilized bacteria on three meteorites, and maintains these microscopic life forms are not native to Earth. If confirmed, this research would ...

These worm-like features are thought to represent the fossilized tracks of slime-mold like organisms in 2.1 billion year-old rocks. The scale bar represents a centimetre. (A. El Albani / IC2MP ...

DNA extracted from fossilized tartar helped scientists reconstruct early humans' oral microbiota, shedding light on their health and habits.

Paleontologists unearthed fossils in the Grand Canyon dating back more than 500 million years that offer a new look into a ...

Fossil bacterial communities uncovered in Greenland by melting ice and snow Thomson Reuters · Posted: Aug 31, 2016 11:30 AM PDT | Last Updated: August 31, 2016 ...

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 ...

Hype should not be overshadowing careful analysis of scientific results. Careful review can see through the hype.

Here was putative evidence of microscopic fossil bacteria inside this meteorite, comparable to the fossilized bacteria that are thought to be the earliest life forms on Earth. The story went viral.

Bacteria may have played a major role in the formation of some of the world’s largest silver or gold deposits, according to new research. The inference was drawn by scientists at Penn State ...

Wildlife Wildlife Wednesday: a “slithery” slope — and how fossils are rewriting evolutionary history Plus: Arctic walnuts from a time long past, how cicada wings are inspiring biomimicry, wild horse ...

"Those layers don't necessarily preserve the individual fossilized bacteria, but they preserve kind of the work that the bacteria did to make layers as they sort of climbed up through the sediment ...