Some of the world's largest specimens of rare calcium carbonate crystals, known as glendonites, are found in Denmark.
Earth Sciences
Oct 14, 2020
0
259
NASA's Curiosity Mars rover has started a road trip that will continue through the summer across roughly a mile (1.6 kilometers) of terrain. By trip's end, the rover will be able to ascend to the next section of the 3-mile-tall ...
Space Exploration
Jul 7, 2020
0
1824
The shape of Earth's orbit around the sun and the orientation of its axis undergo regular variations over periods of thousands to millions of years. These variations—known as Milankovitch cycles after the Serbian geophysicist ...
Earth Sciences
May 31, 2019
0
23
When UC Santa Barbara geology professor emeritus James Kennett and colleagues set out years ago to examine signs of a major cosmic impact that occurred toward the end of the Pleistocene epoch, little did they know just how ...
Earth Sciences
Mar 13, 2019
8
1479
The image of Neanderthals as brutish and culturally unsophisticated has changed in recent years – they could make cave art, jewellery, complex stone tools and may have had language and cooked foods. Yes, they were extremely ...
Archaeology
Jan 31, 2019
0
30
Archaeologists at The Australian National University (ANU) and the University of Sydney have provided a window into one of the most exciting periods in human history - the transition between Neanderthals and modern humans.
Archaeology
Jun 14, 2017
9
140
Sedimentary layers contain stratigraphic cycles and patterns that precisely reveal the succession of climatic and tectonic conditions that have occurred over millennia, thereby enhancing our ability to understand and predict ...
Earth Sciences
May 19, 2017
0
10
Ophir Chasma forms the northern portion of the vast Mars canyon system Valles Marineris, and this image, acquired on Aug. 10, 2015, by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance ...
Space Exploration
Nov 10, 2015
0
13
The High Resolution Imaging Science Experiment (HiRISE) camera aboard NASA's Mars Reconnaissance Orbiter often takes images of Martian sand dunes to study the mobile soils. These images provide information about erosion and ...
Space Exploration
Oct 8, 2015
2
75
The exploitation of mineral deposits always creates debates around economic necessity versus environmental preservation. Fracking for gas in the Karoo region of South Africa is currently vigorously debated. This article is ...
Earth Sciences
Jul 20, 2015
0
26
