CosmicExpansion

Core Survey by NASA’s Roman Mission Will Unveil Universe’s Dark Side

Core Survey by NASA’s Roman Mission Will Unveil Universe’s Dark Side NASA’s Roman Space Telescope will conduct the largest planned survey by volume, unveiling hundreds of millions of galaxies across the cosmos and studying dark matter and dark energy. The High-Latitude Wide-Area Survey, one of Roman’s three core observation programs, will cover over 5,000 square […]

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Dark energy may have once been ‘springier’ than it is today − DESI cosmologists explain what their collaboration’s new measurement says about the universe’s history

Dark energy may have once been ‘springier’ than it is today − DESI cosmologists explain what their collaboration’s new measurement says about the universe’s history Dark energy measurements from the DESI collaboration suggest that the universe was expanding slightly faster a few billion years ago than it is today, implying that dark energy’s “springiness” was […]

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