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Nowadays Earth is perfectly lovely but once it was a barren rock.  So how did life arise on such an unpromising property?  In fact, new research shows that life on Earth may have come from out of this world. Lawrence Livermore scientist Nir Goldman and University of Ontario Institute

Denitrification is a microbially facilitated process of nitrate reduction that may ultimately produce molecular nitrogen (N2) through a series of intermediate gaseous nitrogen oxide products. In general, it occurs where oxygen, a more energetically favorable electron acceptor, is depl

China’s recent admission to the Arctic Council under observer status reflects a new reality: the world’s economic powers now regard development of natural resources and commerce in an increasingly ice-free Arctic as a top priority. ADVERTISEMENT When China — along with Jap

Some 52,000 community water systems and 21,400 not-for-profit non-community water systems across the US will require approximately $384.2 billion of infrastructure investment through 2030 in order to assure the provision of safe drinking water to 297 million Americans, according to th

ENN Twitter Rainforests in South America have survived three previous extreme global warming events in the past, suggesting that they will survive a projected 2-6 degree rise in temperatures over the coming century, reports a study published in the Annual Review of Earth and Planetary

Data from NAA’s Landsat 8 is now freely available, enabling researchers and the general public to access images captured by the satellite within twelve hours of reception. The data is available to download at no charge from GloVis, EarthExplorer, or via the LandsatLook Viewer. A

ENN Twitter Many of us humans take for granted our ability to perceive three-dimensional spaces, and neuroscientists have often wondered if this capability is present in other mammals. ADVERTISEMENT Researchers from the Weizmann Institute of Science in Israel have now constructed mini

Most of us are familiar with snow and ice melting as seasons change. This process even occurs in colder regions that typically have ice and snow all year round. However, last July, 98 percent of the Greenland Ice Sheet’s surface melted. While losing all this snow and ice may see

The world’s next major crisis will be a lack of water for home use, including drinking water, many scientists predict. Humans can survive around 40 days without food, but much less than that without water to drink. ADVERTISEMENT The scarcity of water for domestic use is becoming

Stromatolites are layered accretionary structures formed in shallow water by the trapping, binding and cementation of sedimentary grains by biofilms of microorganisms, especially cyanobacteria (commonly known as blue-green algae). Stromatolites provide some of the most ancient records