• phys.org11 hours ago

    Video: Copernicus Sentinel-1D launch

    The Copernicus Sentinel-1D satellite has joined the Sentinel-1 mission in orbit. Launch took place on 4 November 2025 at 22:03 CET (18:03 local time) on board an Ariane 6 rocket

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    ESA’s HydroGNSS Scout satellites ready for launch

    esa2 hours ago

    ESA’s HydroGNSS Scout satellites ready for launch

    Applications 06/11/2025 20 views 0 likes After arriving at the California launch site at the end of September, the two HydroGNSS satellites have been carefully prepared for liftoff, scheduled this

    Astronomy: A Guide

    WeHeadedToMars6 hours ago

    Astronomy: A Guide

    Imagine standing beneath a velvety expanse of stars, each twinkling light a distant sun, and each shadowy void a portal to the unknown. With “Astronomy: A Guide,” you are invited

    SpaceX launches 29 Starlink satellites from Cape Canaveral

    space.com7 hours ago

    SpaceX launches 29 Starlink satellites from Cape Canaveral

    SpaceX just extended its single-year launch record yet again. A Falcon 9 rocket lifted off today (Nov. 5) at 8:31 p.m. EST (0131 GMT on Nov. 6) from Space Launch

    Universe’s expansion is slowing down, not speeding up

    EarthSky10 hours ago

    Universe’s expansion is slowing down, not speeding up

    Researchers used type Ia supernovas, similar to SN1994d pictured above in its host galaxy NGC4526, to help establish that the universe’s expansion may actually have started to slow. For decades,

    The expansion of our universe may be slowing down. What does that mean for dark energy?

    space.com10 hours ago

    The expansion of our universe may be slowing down. What does that mean for dark energy?

    As if dark energy weren’t already mysterious and baffling enough, new research suggests that this unknown force may not be driving galaxies apart at an accelerating rate anymore. This remarkable

    phys.org10 hours ago

    Universe's expansion 'is now slowing, not speeding up': Evidence mounts that dark energy weakens over time

    The universe’s expansion may actually have started to slow rather than accelerating at an ever-increasing rate as previously thought, a new study suggests.

    Themis stands on the launch pad

    esa1 month ago

    Enabling & Support 19/09/2025 424 views 7 likes In brief The first model of ESA’s reusable rocket demonstrator Themis is standing on its own legs at its launch pad in

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