NASA Completes Nancy Grace Roman Space Telescope Construction

NASA’s next big eye on the cosmos is now fully assembled. On Nov. 25, technicians joined the inner and outer portions of the Nancy Grace Roman Space Telescope in the largest clean room at the agency’s Goddard Space Flight Center in Greenbelt, Maryland. “Completing the Roman observatory brings us to a defining moment for theContinue Reading

Psyche Observes Interstellar Comet 3I/ATLAS

NASA’s Psyche spacecraft have acquired new images of 3I/ATLAS, the third object and the second comet from outside the Solar System confirmed. Psyche acquired four observations of 3I/ATLAS over the course of eight hours on September 8 and 9, 2025. Image credit: NASA / JPL-Caltech / ASU. 3I/ATLAS was discovered by the ATLAS survey telescopeContinue Reading

cmb-sag-meeting-december-12,-2025

Physics of the Cosmos … Physics of the Cosmos Community CMB SAG Meeting December… About Community Program Analysis Group (PhysPAG) Science Groups News & Events Cosmic Pathfinders Science Gaps Opportunities Missions Studies News & Events Resources   Cosmic Microwave Background SAG Meeting Cosmic Microwave Background Science Analysis Group CMB SAGContinue Reading

nasa-sets-coverage-for-astronaut-jonny-kim,-crewmates-return

The Soyuz MS-26 spacecraft is seen as it lands on April 20, 2025 (April 19 Eastern time) in a remote area near the town of Zhezkazgan, Kazakhstan, with the Expedition 71/72 crew aboard. NASA/Bill Ingalls NASA astronaut Jonny Kim, accompanied by Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritsky, is preparingContinue Reading

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Physics of the Cosmos … Physics of the Cosmos Community Broad-Band X-ray Observatory… About Community Program Analysis Group (PhysPAG) Science Groups News & Events Cosmic Pathfinders Science Gaps Opportunities Missions Studies News & Events Resources   Science Analysis Group Broad-Band X-ray Observatory The Broad-Band X-ray (BBX) Science Analysis Group (SAG)Continue Reading

nasa’s-hubble-space-telescope-revisits-interstellar-comet

NASA’s Hubble Space Telescope reobserved interstellar comet 3I/ATLAS Nov. 30, with its Wide Field Camera 3 instrument. NASA, ESA, STScI, D. Jewitt (UCLA), M.-T. Hui (Shanghai Astronomical Observatory). Image Processing: J. DePasquale (STScI) NASA’s Hubble Space Telescope reobserved interstellar comet 3I/ATLAS Nov. 30, with its Wide Field Camera 3 instrument.Continue Reading

nasa-jaxa-xrism-finds-elemental-bounty-in-supernova-remnant

4 min read NASA-JAXA XRISM Finds Elemental Bounty in Supernova Remnant For the first time, scientists have made a clear X-ray detection of chlorine and potassium in the wreckage of a star using data from the Japan-led XRISM (X-ray Imaging and Spectroscopy Mission) spacecraft. The Resolve instrument aboard XRISM, pronouncedContinue Reading