This image taken by NASA’s Perseverance rover on Sept. 7, 2021, PDT (Sept. 8, EDT). NASA/SP-20260005907 – Martian Dust Exposure Limits: Permissible Exposure Limits (PELs), toxicological risks, and health standards for Martian dust as discussed by the Mars dust working group (February 20 and 27, 2026) Background Human exploration ofContinue Reading
A team of NASA-sponsored scientists and engineers has developed a novel approach to observing high-energy particles in the near-Earth space environment, incorporating miniaturized sensors into a compact, multi-view particle detection instrument unlike any before it. Built for NASA’s Relativistic Electron Atmospheric Loss (REAL) CubeSat mission, the innovative instrument (also calledContinue Reading
Found weak and disheveled along the shoreline, the raptor believed to be nest cam star Jackie is receiving care while experts investigate what caused its decline.Continue Reading
Oxygen is disappearing from oceans, lakes, rivers, and coastal waters at an alarming rate, threatening aquatic life and weakening the natural processes that help regulate Earth’s climate. Scientists warn that this widespread deoxygenation is closely connected to other major planetary threats, including warming, pollution, biodiversity loss, and ocean acidification., ReadContinue Reading
Physics of the Cosmos … Physics of the Cosmos Community XR SIG Seminar, 24… About Community Program Analysis Group (PhysPAG) Science Groups Meetings Cosmic Pathfinders Science Gaps Early Career Workshops Opportunities Missions Studies News & Events Resources XR SIG Seminar X-ray Science Interest Group Future of X-ray Astrophysics SeriesContinue Reading
Left: An aerial photo showing (foreground) high sequoia mortality in an area that had not experienced fire in many decades, and (background) high sequoia survival in an area that had been treated with prescribed fire in 2012. Right: General Sherman, a giant sequoia and the largest tree in the worldContinue Reading
Explore This Section … ROSES-25 Blog Amendment 64: New Opportunity:… Overview ROSES FAQ Blog ROSES Budget Redaction Grant Stats No Due Date Programs OSDMP FAQ Suborbital Program Program Officer List Volunteer to Review Proposals Dual-Anonymous Peer Review PRC FAQ Solicitations Solicitations Help & Support Announcement of Opportunity SOMA Community &Continue Reading
NASA’s SpaceX Crew-13 members are pictured in their pressure suits seated inside a mockup Dragon spacecraft during a preflight training session at the company’s headquarters in Hawthorne, California. From left are Roscosmos Sergey Teteryatnikov, NASA astronauts Luke Delaney and Jessica Watkins, and CSA (Canadian Space Agency) astronaut Joshua Kutryk. Credit:Continue Reading
The aurora australis streams across the southern Indian Ocean with an airglow outlining Earth’s atmosphere in this photograph from the International Space Station as it orbited 274 miles above. NASA/Chris Williams Three Expedition 74 crew members are packing up cargo and handing over their responsibilities with less than one weekContinue Reading
4 min read NASA, GE Aerospace Work Enables Hybrid-Electric Flight Demonstration 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 collaborationContinue Reading
Amid surging lunar exploration, the UN on Monday urged governments to ensure that humanity’s return to the Moon does not come at the expense of planet Earth – or the long-term sustainability of space.Continue Reading
Big business made big promises about saving the planet. Following through hasn’t been easy.Continue Reading
Physics of the Cosmos … Physics of the Cosmos Community XR SIG Seminar, 7… About Community Program Analysis Group (PhysPAG) Science Groups Meetings Cosmic Pathfinders Science Gaps Early Career Workshops Opportunities Missions Studies News & Events Resources XR SIG Seminar X-ray Science Interest Group Future of X-ray Astrophysics SeriesContinue Reading