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When NASA's Aqua satellite passed over the northwestern Atlantic Ocean, an instrument aboard looked at Tropical Storm Chris' water vapor and cloud temperatures. Appropriately, the image showed a backwards "C" or comma shaped storm. The water vapor imagery indicated Tropical Storm Chris has the potential to generate heavy rainfall.  

Stronger westerly winds in the Southern Ocean could be the cause of a sudden rise in atmospheric CO2 in a period of less than 100 years about 16,000 years ago, according to a study published in Nature Communications.

Earth’s oxygen levels rose and fell more than once hundreds of millions of years before the planetwide success of the Great Oxidation Event about 2.4 billion years ago, new research from the University of Washington shows.

Post-traumatic stress disorder (PTSD) may increase the long-term risk for stroke and heart attack in blue-collar clean-up crews who worked in the aftermath of The World Trade Center plane attack on September 11, 2001, according to new research in Circulation: Cardiovascular Quality and Outcomes, an American Heart Association journal.

New research found that being in a bad mood can help some people’s executive functioning, such as their ability to focus attention, manage time and prioritize tasks. The same study found that a good mood has a negative effect on it in some cases.