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    Space Force weighs Vulcan flights without solid boosters 

    Space News5 hours ago

    Space Force weighs Vulcan flights without solid boosters 

    WASHINGTON — The U.S. Space Force is exploring whether it can resume flights of United Launch Alliance’s Vulcan rocket without using the solid rocket boosters now under investigation, a workaround

    The Multi-planet System TOI-5624: Four Transiting Sub-Neptunes With An Outer Companion Revealed By Transit-timing Variations

    Astrobiology6 hours ago

    The Multi-planet System TOI-5624: Four Transiting Sub-Neptunes With An Outer Companion Revealed By Transit-timing Variations

    Stability analysis of the TOI-5624 planetary system focusing on planet f. We vary the orbital period Pf and the eccentricity ef (left panel) and the longitude of the node Ωf

    Continuing To Advance European High Contrast Imaging Research And Development Towards HWO And LIFE

    Astrobiology6 hours ago

    Continuing To Advance European High Contrast Imaging Research And Development Towards HWO And LIFE

    Artist’s impression of the LIFE nulling-interferometry mission, consisting of four collector spacecraft in a rectangular array configuration sending light to a beam combiner spacecraft in the center. The present analysis

    Cloudy With A Chance Of Metals: Indications Of CO2 In The Atmosphere Of GJ 1214 b From High-resolution K-band Spectroscopy

    Astrobiology6 hours ago

    Cloudy With A Chance Of Metals: Indications Of CO2 In The Atmosphere Of GJ 1214 b From High-resolution K-band Spectroscopy

    Predicted relative transit depth change from the equilibrium chemistry CO2-only model retrieved for CRIRES+ data (green). The model predictions are plotted in high-resolution in the wavelength region overlapping with the

    Correlative Microstructural Analysis of a Weathered Nantan Meteorite Fragment

    Astrobiology6 hours ago

    Correlative Microstructural Analysis of a Weathered Nantan Meteorite Fragment

    a) Large area EDS map of Nantan meteorite sample showing the distribution of detected elements. b) XPS SnapMaps of Nantan fragment showing the distribution of Fe and Ni. c) XRF

    Watch SpaceX launch advanced GPS satellite for US Space Force early on April 20

    space.com7 hours ago

    Watch SpaceX launch advanced GPS satellite for US Space Force early on April 20

    SpaceX will launch a new GPS satellite for the U.S. Space Force early Monday morning (April 20), and you can watch the action live. A Falcon 9 rocket topped with

    Sentinel-6B launch highlights

    esa5 months ago

    Copernicus Sentinel-6B was launched on 17 November 2025, ready to continue a decades-long mission to track the height of the planet’s seas – a key measure of climate change. The

    DESI's Dizzying Results

    Universe Today5 months ago

    In March of 2024 the (https://www.desi.lbl.gov/collaboration/) dropped a bombshell on the cosmological community: slim but significant evidence that dark energy might be getting weaker with time.

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