Evidence is mounting that cosmic dark energy, long thought constant, may weaken with time - potentially altering the fate of ...

The discovery of dark energy. From 1999 to 2004, the cosmological community came together to agree that the universe was 5% ...

For generations, humans have gazed at the stars and wondered about the ultimate fate of the universe. Will it expand forever ...

What we saw in the DESI experiments, and now strengthened by our South Pole Telescope observations, is that dark energy is ...

New evidence suggests the universe might not behave as expected, raising questions about the costs of being wrong.

Evidence that the universe is rotating was recently delivered by the James Webb Space Telescope (JWST), which found that ...

Celestial objects known as dark dwarfs may be hiding at the center of our galaxy and could offer key clues to uncover the ...

He's a member of the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX), is studying dark energy from an earlier time in the universe's existence than DESI.HETDEX is also focused on sound ...

We may already have had our first-ever encounter with dark matter, according to researchers who say a mysteriously high-energy particle detected in 2023 is not a neutrino after all, but something far ...

Dark matter is a real pain in the neck. The term dark matter itself refers to a hypothetical substance that seems to solely ...

If dark energy changes over time, that gives astronomers entirely new theoretical frameworks to explore, from modified theories of gravity to energy fields that naturally evolve throughout cosmic ...

If dark energy is weakening, as suggested by recent results, then the cosmos is far stranger than most physicists had supposed. Skip to main content. Scientific American. April 30, 2025.