Alarming Threat: New Research Reveals That U.S. Groundwater Is Getting Saltier
For over thirty years, U.S. Geological Survey (USGS) scientists have been tracking the quality of groundwater in wells throughout the nation. Their focus has been…
For over thirty years, U.S. Geological Survey (USGS) scientists have been tracking the quality of groundwater in wells throughout the nation. Their focus has been…
NASA’s Dawn mission discovered complex organics on Ceres. While their origin remains debated, new research suggests these molecules might have formed on Ceres itself. Future…
With its low quantities of rain and soaring high temperatures, the Sahara Desert is often regarded as one of the most extreme and least habitable…
The discovery of a spectacular fossil site in Argentina is helping shed new light on life at the end of the Cretaceous, the time period…
A new study suggests that an extinct offshore volcano in Portugal can potentially store 1.2-8.6 gigatons of carbon dioxide, representing 24-125 years of the country’s…
A recent study published in the journal Geology has employed isotopes of sulfur to identify the origins of the sulfuric acid responsible for creating the…
Advanced 2D-3D insights into Earth’s oldest stromatolites. The oldest morphological traces of life on Earth are sometimes very controversial, both because non-biological processes may generate…
A 6-mile (10-kilometer) asteroid hit Earth 66 million years ago, triggering the extinction of the dinosaurs. According to new evidence, the Chicxulub impact also triggered…
Ancient microorganisms found in halite may have implications for search for both terrestrial and extraterrestrial life. Primary fluid inclusions in bedded halite from the 830-million-year-old…
Several dozen small impact craters, 10–70-m in size, have been discovered in southeastern Wyoming. A team of U.S. and German geoscientists found these ancient craters…
Rift Valley lakes within eastern Africa range from freshwater to highly alkaline systems and are homes to diverse ecosystems. These Rift Valley lakes are also…
International drilling efforts over the last decades into the seafloor have provided increasing evidence for the existence of an extensive deep biosphere below the seafloor….
Rapid Warming and Monsoonal Intensification Contributed to the Abrupt Collapse of Forest-Mire (Glossopteris) Ecosystems in the High Southern Latitudes The Paleozoic era culminated 251.9 million…
A new focus article in the May issue of Geology summarizes research on plastic waste in marine and sedimentary environments. Authors I.A. Kane of the Univ. of…
Gale Crater’s central sedimentary mound (Aeolis Mons or, informally, Mount Sharp) is a 5.5-km-tall remnant of the infilling and erosion of this ancient impact crater….
For most of Earth’s history, life was limited to the microscopic realm, with bacteria occupying nearly every possible niche. Life is generally thought to have…
When early humans began to travel out of Africa and spread into Eurasia over a hundred thousand years ago, a fertile region around the eastern…
Throughout Earth’s long history, volcanic super-eruptions have been some of the most extreme events ever to affect our planet’s rugged surface. Surprisingly, even though these…