April 21 - 28 is International Dark Sky Week, a global celebration of the night sky during which like-minded organizations ...

"The new model can account for both structure formation and stability, and the key observational properties of the expansion ...

The Perseus cluster is a vast collection of thousands of galaxies, all bound together by gravity. Famed for its unbelievable ...

Despite decades of searching for this signal, astronomers have yet to find it. The problem is that our Earth is too noisy, ...

Scientists have made a groundbreaking leap in detecting dark energy by developing a magnetically levitated precision force ...

A massive clump of dark matter in the Perseus galaxy cluster is linked to its core by a bridge of dark matter, evidence of a ...

From Lowell Observatory to Kitt Peak to Mount Graham, here are the 11 best planetariums and observatories in Arizona and ...

Whatever dark energy is, by our best astrophysical accounting, it makes up something like 70 percent of the energy density of the universe. It’s the most important thing in the cosmos ...

Nevada State Parks and Division of Outdoor Recreation have made the difficult decision to postpone the inaugural Cosmos in ...

To date, there are three Dark Sky Parks in Oregon: Prineville Reservoir State Park, the Oregon Caves National Monument & ...

T he Perseus cluster is enormous. It has a mass equivalent to 600 trillion Suns, and it looks like it has not stopped growing ...

“Cosmos in the Desert is more than just a stargazing event,” said Ashlee Goeddel, Park Supervisor for Lahontan State ...