Keunhan ParkUniversity of Utah This proposal seeks to develop a transformative energy system — the plasmon-enhanced radioisotope Thermophotovoltaic (PRTPV) generator — that significantly surpasses the performance of current radioisotope thermoelectric generators (RTGs) in both specific power and efficiency. Designed to achieve a specific power of 17 W/kg and a thermal-to-electric conversion efficiency greater than 40%, […]
July 20, 2026 at 08:00PM
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Tuesday, July 21, 2026
Psyche Approaches Mars
This composite photo released on July 17, 2026, shows the crescent of Mars grow as NASA’s Psyche spacecraft approached the planet for a gravity assist. Psyche flew by Mars on May 15, 2026, using the planet’s gravity to gain speed and slightly tilt its trajectory. The flyby also gave the team an opportunity to prep for the […]
July 20, 2026 at 08:00PM
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Grants
*Notice* The Payment Management System (PMS) is currently experiencing issues affecting Federal Financial Report (FFR) generation. Impacted NASA grant recipients will not be considered noncompliant. NASA is working with PMS to resolve the issue. Updates will be posted here. Grants Status Requests To submit a request, visit NASA General Information Request Form and complete the […]
July 20, 2026 at 08:00PM
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July 20, 2026 at 08:00PM
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Establishing Crew Exposure Limits of Martian Dust
Background Human exploration of Mars will expose crews to a persistent, fine particulate environment whose physicochemical properties and health implications remain only partly understood. Because no samples of authentic Martian airborne dust have been returned to Earth, NASA must rely on lunar dust toxicology, Martian regolith simulants, and extensive rover/lander geochemical and mineralogical datasets to […]
July 20, 2026 at 08:00PM
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July 20, 2026 at 08:00PM
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A New Compact Instrument Enables High-Fidelity Measurements of Energetic Particles on CubeSats
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 called REAL) enables more complete measurements […]
July 20, 2026 at 08:00PM
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July 20, 2026 at 08:00PM
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Monday, July 20, 2026
Why Maine’s Sandy Shorelines Turn Jagged
Differences in the underlying bedrock and how rivers distribute sediment make the coastlines west of Portland look unlike those northeast of the city.
July 20, 2026 at 08:00PM
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July 20, 2026 at 08:00PM
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NASA Sets Briefings for SpaceX Crew-13 Mission to Space Station
NASA and its partners will discuss the upcoming crew rotation mission to the International Space Station during a pair of news conferences on Monday, Aug. 3, from the agency’s Johnson Space Center in Houston. Mission leadership will provide an overview of NASA’s SpaceX Crew‑13 mission at 12 p.m. EDT. Next, crew members will discuss their […]
July 19, 2026 at 08:00PM
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