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A photo of the Dynamic Aviation A200 aircraft, which will conduct low-flying research flights over farmland near Greeley, Colorado, to measure emissions in October 2026. Dynamic Aviation Agricultural emissions represent an important and understudied part of Earth’s land and atmosphere systems. The FarmFlux mission will deploy more than a dozen sensors to measure ozone, methane, ammonia, particulates, and other pollutants rising from…

4 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) A modified Saab 340B aircraft in flight powered in part by a hybrid electric system built by GE Aerospace, along with NASA, BETA Technologies, and Boeing. GE Aerospace An aircraft powered by a megawatt-class hybrid-electric engine developed in collaboration with NASA and built by…

NASA A visualization of a dark Moon eclipsing the Sun is marked with handwritten notes in this April 6, 2026, screenshot from an Artemis II crew member’s tablet. NASA astronauts Reid Wiseman (in blue) and Victor “Ike” Glover (in green) and CSA (Canadian Space Agency) Jeremy Hansen (in red) observed impact flashes and their locations,…

APOD Science APOD APOD: 2026 September 3 – The… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss   APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. The Eclipse…