Scientists have found new evidence suggesting that dark energy may not be constant, challenging existing cosmological models. To probe the intricacies of dark energy, the Dark Energy Spectroscopic ...

The new findings come from the Dark Energy Spectroscopic Instrument (DESI), which sits on a telescope at the Kitt Peak National Observatory in the ... age and distance of these objects, and create a ...

Mayall 4-meter Telescope at Kitt Peak National Observatory, continues to build the largest 3D map of the universe ever created. By the time DESI completes its five-year mission next year ...

The findings suggest that dark energy is dynamic and changes over time, and that it used to be stronger in the early stages of the universe but is weaker now. That’s particularly odd because most ...