Using a telescope at Kitt Peak, scientists have produced the largest 3D map of the universe ever made and uncovered ...

Dark energy, the mysterious force thought to be driving the ever-faster expansion of the universe, appears to be changing ...

Kitt Peak's got them all beaten with a window beyond ... to check out these massive telescopes. "It weighs about as much as a Honda Civic... and it's just a magical experience to look through ...

Scientists are homing in on the nature of a mysterious force called dark energy, and nothing short of the fate of the ...

The new findings come from the Dark Energy Spectroscopic Instrument (DESI), which sits on a telescope at the Kitt Peak ...

New results from the Dark Energy Spectroscopic Instrument (DESI) suggest that the unknown force accelerating the expansion of ...

New data further challenge the best scientific theory of the history and the structure of the universe. But a separate recent ...

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 ...

The standard model of how the universe works involves the widely accepted theory that dark energy is a fundamental constant ...

If dark energy continues to weaken, the accelerating expansion of the universe could slow — and possibly reverse. In that ...