Photo of Romaine River in Quebec
Microbial Analysis of River Reveals Considerable Diversity
Scientists in Canada trace how aquatic communities change as Quebec’s Romaine River flows into the sea.
ABOVE: Masumi Stadler
Microbial Analysis of River Reveals Considerable Diversity
Microbial Analysis of River Reveals Considerable Diversity

Scientists in Canada trace how aquatic communities change as Quebec’s Romaine River flows into the sea.

Scientists in Canada trace how aquatic communities change as Quebec’s Romaine River flows into the sea.

ABOVE: Masumi Stadler

biogeochemistry

Calcite crystals covered in small grains of pyrite, with pincers
Signs of Ancient Microbial Life Abundant in Earth’s Crust: Study
Catherine Offord | Jun 3, 2021
Researchers report chemical and molecular signatures of microbial activity from millions of years ago in mineral samples from abandoned mines in Sweden and nearby countries.
Blue-Green Algae Produce Methane
Ruth Williams | Jan 15, 2020
Biological production of this greenhouse gas, once thought to be the reserve of anaerobic microbes, occurs in these widespread, photosynthesizing cyanobacteria.
fusarium oxysporum gold oxidation australia
Fungus Found in Australian Soil Can Oxidize Gold
Kerry Grens | May 24, 2019
The chemical process may make the metal more soluble and move it closer to the Earth’s surface.
Fossilized Lipids Confirm Dickinsonia as One of the Earliest Animals
Ruth Williams | Sep 20, 2018
An analysis of organic material from 500-million-year-old fossils upholds the theory that the mysterious creatures were early forms of animal life.
Organic Compounds Found in Martian Soil
Sukanya Charuchandra | Jun 11, 2018
Researchers also found seasonal variations in atmospheric methane on the planet that may have a geological or biological origin.  
Deep-Sea Viruses Destroy Archaea
Ruth Williams | Oct 12, 2016
Viruses are responsible for the majority of archaea deaths on the deep ocean floors, scientists show.
Microbial Miners
Catherine Offord | Mar 22, 2016
Bacteria play an important role in cycling naturally occurring platinum group metals, scientists show.
Green Gold
Tracy Vence | Jan 1, 2014
It’s been decades since researchers confirmed the presence of gold in plants, but biogeochemical prospecting has yet to catch on.
Microbes Thrive in Deepest Ocean
Sabrina Richards | Mar 17, 2013
Researchers find remarkably active bacteria in the Mariana Trench, where they live under pressure 1,000 times greater than at the surface.
The Ecology of Fear
Edyta Zielinska | Jun 15, 2012
Grasshoppers in fear of predation die with less nitrogen in their bodies than unstressed grasshoppers, which can affect soil ecology.