TAMPA, Fla. — Swissto12, the Switzerland-based small geostationary satellite specialist, has signed a contract to build the first optical relay spacecraft using its washing machine-sized HummingSat platform. The company announced
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NASA sets early September launch date for Roman Space Telescope
GREENBELT, Md. — NASA’s Nancy Grace Roman Space Telescope is now scheduled for launch in early September as agency officials hail its early completion despite ongoing budget uncertainty for its
Hybridizing nuclear command, control and communications systems puts space infrastructure at risk
Space based nuclear command, control and communications (NC3) systems were developed as highly classified and sovereign systems, insulated from external influence and designed to survive in the most extreme circumstances.
Earth images from space: 10 incredible photos of our planet
NASA’s Lunar Orbiter 1 took the 1st Earth image as seen from the vicinity of the moon in 1966. And then, 42 years later, NASA released this much higher resolution
Mysterious rings around Uranus point to hidden moons orbiting the ice giant
New observations of Uranus’s enigmatic outer rings have shown them to be even more mysterious than astronomers had thought, and their unusual properties hint at some puzzling things going on
Commerce Department budget proposal would halt work on TraCSS
WASHINGTON — The Commerce Department is proposing to halt work on its space traffic coordination system while it develops a “new operating and financial structure” that may include user fees.
China backs orbital data center startup with $8.4 billion in credit lines
HELSINKI — A Beijing-based space startup has secured early-stage funding and extensive credit backing as part of a broader Chinese push toward space-based computing infrastructure. Beijing Orbital Twilight Technology Co.,
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Earth Observatory Science Earth Observatory A Fault Line in Full Bloom Earth Earth Observatory Image of the Day EO Explorer Topics All Topics Atmosphere Land Heat & Radiation Life on
1 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) A scale model of a possible single-aisle twin-engine airliner is tested in a NASA wind tunnel. NASA Vision Studies,
WASHINGTON — SpaceX Chief Executive Elon Musk revealed more technical, but not financial, details about his company’s plans to deploy an orbital data center constellation. At a March 21 event
Io – NASA Io’s internal heat is generated by Jupiter-driven tidal dissipation and Laplace resonance. This energy partially melts the mantle, but the melt fraction, depth, and spatial distribution of
HCN rainout rate over the conjoint parameter space of stellar effective temperature (Teff ) and effective solar flux in current Earth values (Seff ) and C/O ratio. a) Baseline Archean
A new study reveals all five fundamental nucleobases—the molecular “letters” of life—have been detected in samples from the asteroid Ryugu.
Temperature distributions and thermal phase curves of the TRAPPIST-1 e system. Panel (a): Snapshot of the effective emission temperature of TRAPPIST-1 e. Panel (b): Snapshot of the surface temperature distribution
The figure shows the HPLC Chromatograms of Amino Acids produced in the Sample B5 irradiation run. — astro-ph.EP The emergence of habitable conditions on the early Earth and on rocky
The network of important reactions for the carbon, sulfur, and coupled organosulfur chemistry in the atmosphere of K2-18b. Pathway B (following R. Hu et al. (2025)) dominates the DMS and
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