PNNL technology clears way for ethanol-derived jet fuel

ASTM International recently revised ASTM D7566 Annex A5—the Standard Specification for Aviation Turbine Fuel Containing Synthesized Hydrocarbons—to add ethanol as an approved feedstock for producing alcohol-to-jet synthetic ...

20 years keeping an eye on R Aquarii

An international team of researchers, including scientists from the Instituto de Astrofísica de Canarias, has published a detailed study of the evolution of the nebula surrounding the symbiotic star R Aquarii. The study ...

Image: Jovian jet stream

See a jet stream speeding through Jupiter's atmosphere in this new view taken by NASA's Juno spacecraft. The jet stream, called Jet N2, was captured along the dynamic northern temperate belts of the gas giant planet. It is ...

World sees rapid upsurge in extreme weather: report

A world addled by climate change has seen a four-fold increase in major flooding events since 1980, and a doubling of significant storms, droughts and heat waves, Europe's national science academies jointly reported Wednesday.

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