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The rapid acceleration of the universe’s expansion continues to challenge our understanding of fundamental physics. Why the ...

Add Yahoo as a preferred source to see more of our stories on Google. A lonely telescope in the Arizona desert tracks millions of distant galaxies to determine the ultimate fate of the Universe ...

There is growing controversy over recent evidence suggesting that a mysterious force known as dark energy might be changing in a way that challenges our current understanding of time and space. An ...

"WIMPs are still the leading candidate for dark matter, but billions of dollars of experiments have been done, only getting ...

The universe doesn’t revolve around Kitt Peak, but the observatory southwest of Tucson is at the center of what could be the biggest breakthrough in the study of the cosmos in decades. Using an ...

New research puts forward compelling new evidence that dark matter interacts with cosmic "ghost particles" called neutrinos.

After five years of mapping the sky in 3D — an area that stretches from Earth’s front porch to about 11 billion light-years away — researchers at the Dark Energy Spectroscopic Instrument (DESI) ...

We could go out with a crunch, and not a bang. Contrary to popular belief, our universe may not be constantly expanding after all. A groundbreaking study by South Korean researchers suggests that dark ...

New observations from the James Webb Space Telescope have revealed unexpected features in the early universe, including ...

Astronomers used subtle warps in galaxy shapes to map the invisible forces shaping the universe. By reanalyzing years of telescope images, they studied more than 100 million galaxies across an ...