Evidence from ancient volcanic deposits suggests that lunar magma contained substantial amounts of water, bolstering the idea that the moon's interior is water-rich. Credit: Olga Prilipko Huber A new study of satellite data finds that numerous volcanic deposits distributed across the...
Artist's conceptions of the most-distant supermassive black hole ever discovered, which is part of a quasar from just 690 million years after the Big Bang. It is surrounded by neutral hydrogen, indicating that it is from the period called...
The naked HIV capsid, left, would be quickly detected and eliminated from the cell, but a host protein, cyclophilin A, in red in the image on the right, binds to the capsid and enables it to transit through the...
Cave city in volcanic rocks of uplifted Central Anatolian plateau. Credit: Russell Pysklywec When renowned University of Toronto (U of T) geophysicist J. Tuzo Wilson cemented concepts in the emerging field of plate tectonics in the 1960s, he revolutionized the study...
Helobdella robusta, a tiny freshwater leech that attacks and kills snails. Credit: Photo by Ajna S. Rievra/UC Berkeley Leeches, despite the yuck factor, have captured the hearts of two University of California, Berkeley, scientists who are part of a team...
Cyclone Chapala over the Gulf of Aden Nov. 2, 2015. Credit: NASA image by Jeff Schmaltz, LANCE/EOSDIS Rapid Response Researchers from Princeton University and the National Oceanic and Atmospheric Administration (NOAA) report in the journal Nature Climate Change that extreme cyclones...
Aberration-corrected HAADF/STEM images of as-synthesized Rh-ZSM-5. Single rhodium cations are circled in white with proposed ball-stick model of the structure. Credit: Lawrence F. Allard, co-author and researcher at Oak Ridge National Laboratory The direct oxidation of methane -- found in natural...
MIT scientists have determined the structure of an enzyme that is found in ocean microbes and can produce a precursor to methane. Credit: David Born Industrial and agricultural activities produce large amounts of methane, a greenhouse gas that contributes to global...
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Mars: Not as dry as it seems

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This is image shows modern Mars (left) dry and barren, compared with the same scene over 3.5 billion years ago covered in water (right). The rocks of the surface were slowly reacting with the water, sequestering it into the...
From left, geology graduate students Jiashun Hu and Quan Zhou and professor Lijun Liu challenge traditional theories about western US volcanism with new evidence from supercomputer modeling. Credit: L. Brian Stauffer Recent stories in the national media are magnifying fears of...
White-headed capuchin in Manuel Antonio National Park, Costa Rica. Credit: © nicksen / Fotolia Rhesus macaques and capuchin monkeys can find a stable solution when playing a competitive game in which one opponent always does better than the other, but only...