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Ancient rainfall records stretching 550,000 years into the past may upend scientists' understanding of what controls the Asian summer monsoon and other aspects of the Earth's long-term climate, reports a University of Arizona-led international team of researchers in the May 25 issue of the journal Science.  

Community gardens, the feel-good darlings of the growing season, are great for raising awareness about sustainability—but they’re just scratching the surface of a much larger harvest, according to a University of Alberta researcher.

Certain types of bacteria and viruses are readily ejected into the atmosphere when waves break while other taxa are less likely to be transported by sea spray into the air, researchers reported May 22.

South Asia is in the midst of an intense, weeks-long bout of heat and extreme weather. For the last four days, daytime temperatures in Karachi, Pakistan hovered around 111 degrees Fahrenheit. At least 65 people have died so far and widespread power outages threaten the health of tens of thousands of others. Forecasters predict the heat wave will continue into June, with temperatures soaring to 122 degrees in the coming days.

NOAA’s Climate Prediction Center is forecasting a 75-percent chance that the 2018 Atlantic hurricane season will be near- or above-normal.