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August 19, 2026, 02:16 PM - 9 min read
Scientists have shown that existing measurements of dark energy are robust. Rather than debating whether cosmic acceleration exists, the astrophysical community can return to the exciting task of figuring out what dark energy actually is and how to best measure it.
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August 20, 2025, 01:45 PM - 8 min read
Is our universe perfectly flat or does it have curvature to it like a sphere, or flare outwards like a horse saddle? That depends on how dense the universe is, and mapping galaxy clusters helps us measure the density of a hypothetical force known as dark energy.
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January 9, 2025, 01:48 PM - 6 min read
Dark energy accounts for nearly 70% of the universe’s total energy budget, but its exact nature remains one of the greatest mysteries in physics.
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