Dark energy flips its sign, but the Hubble tension refuses to budge
For nearly a century, astronomers have known that the universe is expanding. In the late 1990s, two independent teams, the ...
Arizona Daily Star
How a Kitt Peak telescope helped in latest dark energy breakthrough
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 ...
The Brighterside of News on MSN
Strange gravitational waves may reveal dark matter near merging black holes
The evidence for dark matter is everywhere and the evidence for dark matter is nothing. Galaxies rotate in ways that make no ...
Science Daily
New dark matter theory could solve multiple cosmic mysteries at once
Dark matter may be far more complicated than scientists once believed. A new study suggests it could consist of at least two ...
Scientific American
Astronomers catch a ‘dark’ comet by the tail
A strange class of comet could explain the enigmatic behavior of ‘Oumuamua, the first known interstellar object—and even shed ...
Decades-Old Dark Matter Explanation Fails Its Most Direct Test Yet
Two experiments designed to detect signals directly found no evidence for the signal reported by an earlier experiment.
Scientists Have Found Evidence That Dark Matter May Not Be Playing by the Rules
Possible interactions between dark matter and neutrinos may help explain a persistent mismatch in how cosmic structure evolved.