NASA Goddard
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NASA
Measuring the Big Bang with the COBE satellite
The Cosmic Background Explorer satellite (COBE) went up on a Delta rocket on Nov. 18, 1989, into a polar sun-synchronous orbit 900 km up. Our team at NASA Goddard Space Flight Center (GSFC), Ball Aerospace, the Jet Propulsion Laboratory (JPL) and universities built it to look at the cosmic microwave and infrared background light that comes to us from the…
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NASA
NASA, Partners Advance LISA Prototype Hardware
Engineers and scientists at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, completed tests this month on a second early version of a key element of the upcoming LISA (Laser Interferometer Space Antenna) mission. The LISA mission, a collaboration between ESA (the European Space Agency) and NASA, will use infrared lasers to detect gravitational waves, or ripples in the fabric of space-time. The tests…
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NASA
NASA Awards Global Modeling, Assimilation Support Contract
NASA has selected ADNET Systems, Inc. of Bethesda, Maryland, to provide global modeling and data assimilation support at the agency’s Goddard Space Flight Center in Greenbelt, Maryland. The Global Modeling and Assimilation Support contract is a single-award, cost-plus-fixed-fee, indefinite-delivery/indefinite-quantity contract with a maximum ordering value of approximately $84 million with a five-year period of performance beginning March 15, 2026. Under…
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NASA
Terra: The End of An Era
Introduction Launched into the night sky nearly 26 years ago, on Dec. 19, 1999, from Vandenberg Air Force Base (now Space Force Base), Terra was NASA’s first Earth Observing System (EOS) flagship mission to study Earth’s land surface from space via a coordinated series of polar-orbiting and low-inclination satellites that produce long-term global observations useful for understanding the interactions between…
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NASA
Keeping Up with PACE: Summary of the 2025 PAC3 Meeting
Introduction Launched in Feb. 2024, NASA’s Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) mission is a cornerstone of Earth system science designed to deepen our understanding of how these environmental and biological components come together to influence our climate, carbon cycle, and ecosystems. PACE has funded three supporting components: the PACE Postlaunch Airborne eXperiment (PACE–PAX), the third PACE Science and Applications Team (SAT3), and the PACE Validation Science…
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NASA
NASA’s Nancy Grace Roman Space Telescope Completed
Two technicians look up at NASA’s Nancy Grace Roman Space Telescope after its inner and outer segments were connected at the agency’s Goddard Space Flight Center in Greenbelt, Maryland on Nov. 25, 2025. This marked the end of Roman’s construction. After final testing, the telescope will move to the launch site at NASA’s Kennedy Space Center in Florida for launch preparations in summer 2026.…
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NASA
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. NASA’s Nancy Grace Roman Space Telescope is now fully assembled following the integration of its two major…
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NASA
NASA’s Roman Observatory Passes Spate of Key Tests
NASA’s nearly complete Nancy Grace Roman Space Telescope has made another set of critical strides toward launch. This fall, the outer portion passed two tests — a shake test and an intense sound blast — to ensure its successful launch. The inner portion of the observatory underwent a major 65-day thermal vacuum test, showing that it will function properly in…
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NASA
NASA to Share Comet 3I/ATLAS Images From Spacecraft, Telescopes
Lee este comunicado de prensa en español aquí. NASA will host a live event at 3 p.m. EST, Wednesday, Nov. 19, to share imagery of the interstellar comet 3I/ATLAS collected by a number of the agency’s missions. The event will take place at NASA’s Goddard Space Flight Center in Greenbelt, Maryland. Comet 3I/ATLAS, discovered by the NASA-funded ATLAS (Asteroid Terrestrial-impact Last…
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NASA
NASA Awards Custodial, Landscaping Services Contract
NASA has selected Melwood Horticultural Training Center Inc. of Upper Marlboro, Maryland, to provide custodial, janitorial, landscaping, and recycling services for the agency’s Goddard Space Flight Center in Greenbelt, Maryland. The Facilities Custodial and Landscaping award is a firm-fixed-price hybrid completion and indefinite-delivery/indefinite-quantity contract. The contract includes one 12-month base period and up to four 12-month options with a potential…
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