The Dark Energy Spectroscopic Instrument (DESI) is mapping millions of celestial objects to better understand dark energy—the ...

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The largest-ever three-dimensional map of the cosmos, plotting out some 15 million celestial objects, could help reveal the ultimate fate of the universe. Astrophysicists know that the universe is ...

The DESI experiment shocked cosmologists with a hint that dark energy varies over time. Now, with more data, the conclusions hold up.

Antarctica’s total ice volume is now estimated at 27.17 million cubic kilometers (6.52 million cubic miles). The ice sheet ...

Physicists may need to come up with a new theory for how the universe works, after a dark energy experiment has produced confounding results.