The Republic of Croatia became the 74th signatory to the Artemis Accords on Wednesday during a ceremony in the capital city of Zagreb with NASA and U.S. Department of State officials present. “It is my privilege to welcome the Republic of Croatia as the latest signatory of the Artemis Accords,” said NASA Deputy Matt Anderson […].
NASA announced Wednesday a mission to explore the history and evolution of the universe, PRIMA (PRobe far-Infrared Mission for Astrophysics), is advancing to the next phase of development. This space telescope is the first in a new class of NASA astrophysics missions, called Probe Explorers, within the agency’s longstanding Explorers Program. “The PRIMA mission is […].
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 agricultural lands and animal farms and the interaction with the Earth’s atmosphere. The mission is jointly led by NASA’s Goddard Space Flight Center in Greenbelt, Maryland; Colorado […].
NASA’s Hubble Space Telescope captured this image of massive galaxy cluster MACS J0417 (left of center) on Sept. 19, 2026. This galaxy cluster acts as a gravitational lens, bending and magnifying light from objects far behind it. Supernova Athena, discovered by NASA’s James Webb Space Telescope in 2025, is predicted to reappear between now and […].
Arctic sea ice reached its annual minimum extent on Sept. 12, according to NASA and the National Snow and Ice Data Center (NSIDC) at the University of Colorado Boulder. The ice covered an estimated 1.78 million square miles (4.6 million square kilometers), tying 2008, 2010, and 2025 for the 10th-lowest minimum in the satellite record. […].
"Beijing's intended strategy is to dominate the high ground of the twenty-first century.".
Shannon Lucid’s Record-Setting Mission Aboard Mir Three days before returning to Earth, Shannon W. Lucid—who joined NASA in 1978 as one of its first six female astronauts—checked in on wheat growing in the Svet greenhouse aboard the Russian space station Mir. For six months, Lucid lived and worked alongside two Russian cosmonauts conducting life science […].
DENVER, Colorado – September 2026 – Ethereal Space, Inc. today announced that it has been awarded Task Order 1 under NOAA’s ProTech 2.0 Space-Based Environmental Monitoring (SBEM) program, following NOAA’s […] The post Ethereal Space Awarded NOAA SBEM Task Order 1 appeared first on SpaceNews..
For more information, contact Jonathan E. Jones, Langley Research Center, jonathan.e.jones@nasa.gov Download the PDF version The purpose of this Technical Bulletin is to communicate the risks associated with freeze–thaw cycles in hydrazine monopropellant systems and to provide general recommendations for mitigating damage, operational hazards, and loss of system reliability in propulsion and auxiliary hydrazine systems. […].