A NASA team has found that organic salts are likely present on Mars. Like shards of ancient pottery, these salts are the chemical remnants of organic compounds, such as those previously detected by NASA's Curiosity rover. ...
Space Exploration
May 21, 2021
2
335
The sinking carcasses of fish from near-surface waters deliver toxic mercury pollution to the most remote and inaccessible parts of the world's oceans, including the deepest spot of them all: the 36,000-foot-deep Mariana ...
Earth Sciences
Nov 16, 2020
13
757
A key uncertainty in climate projections is the amount of carbon emitted by thawing permafrost in the Arctic. Plant roots in soil stimulate microbial decomposition, a mechanism called the priming effect. An international ...
Earth Sciences
Jul 20, 2020
0
186
A team of researchers from the University of California and CNRS-Sorbonne Université has identified four species of deep-sea worms that until now have been referred to as Elvis worms. In their paper published in the journal ...
Western Australia's famous 3.5-billion-year-old stromatolites contain microbial remains of some of the earliest life on Earth, UNSW scientists have found.
Earth Sciences
Sep 26, 2019
2
1037
Stone tools uncovered in Mongolia by an international team of archaeologists indicate that modern humans traveled across the Eurasian steppe about 45,000 years ago, according to a new University of California, Davis, study. ...
Archaeology
Aug 16, 2019
13
2353
A USC-led research team has found that marine microbes with a special metabolism are ubiquitous and could play an important role in how Earth regulates climate.
Environment
Aug 7, 2019
0
288
The world's oceans soak up about a quarter of the carbon dioxide that humans pump into the air each year—a powerful brake on the greenhouse effect. In addition to purely physical and chemical processes, a large part of ...
Earth Sciences
Apr 29, 2019
11
445
Humans settled in southwestern Amazonia and even experimented with agriculture much earlier than previously thought, according to an international team of researchers.
Archaeology
Apr 24, 2019
12
1318
The Greenland Ice Sheet emits tons of methane according to a new study, showing that subglacial biological activity impacts the atmosphere far more than previously thought.
Environment
Jan 3, 2019
3
1326
