In their search for life in solar systems near and far, researchers have often accepted the presence of oxygen in a planet's atmosphere as the surest sign that life may be present there. A new Johns Hopkins study, however, ...
Astronomy
Dec 17, 2018
23
126
Organic compounds undergo drastic variations in their chemical composition as they transfer from the ocean's surface to atmospheric aerosols which act as nuclei to form clouds.
Earth Sciences
Nov 26, 2018
0
21
New particle formation in the atmosphere provides the nucleation centres required for the formation of clouds, making it an important process for understanding climate. Efforts to investigate the complex balance of chemistry ...
Earth Sciences
Oct 29, 2018
0
7
How do you measure a chemical compound that lasts for less than a second in the atmosphere?
Environment
Apr 11, 2018
0
98
By being the first to fully track the changing chemistry of carbon molecules in the air, a Virginia Tech professor could change the way we study pollutants, smog, and emissions to the atmosphere.
Materials Science
Feb 26, 2018
0
27
Human production of fixed nitrogen, used mostly to fertilize crops, now accounts for about half of the total fixed nitrogen added to the Earth both on land and in the oceans, according to a new study by researchers at North ...
Environment
Sep 6, 2017
2
73
A study published in the journal Nature solves a mystery that has puzzled scientists for over a decade: the origin of the atmospheric aerosols that contribute to cloud formation above the Amazon rainforest in the absence ...
Earth Sciences
Nov 2, 2016
0
6
A team using the Sample Analysis at Mars (SAM) instrument suite aboard NASA's Curiosity rover has made the first detection of nitrogen on the surface of Mars from release during heating of Martian sediments.
Space Exploration
Dec 23, 2015
0
3691
Human-induced changes to Earth's carbon cycle - for example, rising atmospheric carbon dioxide and ocean acidification - have been observed for decades. However, a study published this week in Science showed human activities, ...
Environment
Nov 27, 2014
3
0
Is it snowing metal on Venus? Erika Kohler is trying to find out.
Space Exploration
Oct 3, 2014
2
0
