Measuring the expansion rate of the universe - Hubble constant tension explained

Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...
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NASA Roman Space Telescope Survey to measure cosmic expansion across 11 billion light years

NASA’s Nancy Grace Roman Space Telescope will conduct a wide-area survey to study dark matter, dark energy, and the expansion of the universe across 11 billion light-years.
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Dark skies space expansionism, planetary geopolitics, and the ends of humanity Daniel Deudney

Purchased with funds from the S. Dillon Ripley Endowment. "Dark Skies is the first work to assess the full impacts of space expansion, past, present and future. Thinking about space, and the visions ...