A new map of cosmic expansion suggests that dark energy evolves over time, hinting that the universe doesn’t work the way we ...

Although the telescope is just getting started on its mission, it has already delivered some impressive snapshots of the dark ...

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.

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