NEW YORK (AP) — Distant, ancient galaxies are giving scientists more hints that a mysterious force called dark energy may not be what they thought. Astronomers know that the universe is being pushed ...
An artist’s concept of the dark energy-driven accelerating expansion of the universe. New results suggest dark energy’s influence on cosmic expansion has weakened over time. In 2024 a shockwave ...
Astronomers have studied 3,600 supernovas to discover diversity in exploding white dwarf stars, a vital tool in the ...
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Scientists map the invisible universe with fresh clues to dark matter/energy
Cosmologists are finally beginning to sketch a coherent picture of the universe we cannot see, using exquisitely detailed ...
Observations of Type Ia supernovae in the late 1990s revealed that distant supernovae were fainter than expected, indicating an accelerating expansion of the universe. This accelerating expansion ...
Physics is good at explaining many of our universe’s strange phenomena — from the way invisible beams of the light fan into rainbows to how rocket fuel can propel us into space. Even so, there are ...
Paul Sutter is an astrophysicist at The Ohio State University and the chief scientist at COSI science center. Sutter is also host of "Ask a Spaceman" and "Space Radio" and leads AstroTours around the ...
In deciphering the cosmic puzzle of what the nature of dark energy is, we're going to better learn the fate of the Universe. Whether dark energy changes in strength or sign is key to knowing whether ...
The universe is generally believed to be expanding at an accelerating rate, thanks to a mysterious force dubbed dark energy. But how exactly does this force work? Researchers in the UK have conducted ...
By studying faint distortions in galaxy shapes across a vast region of sky, scientists probed the hidden structure of the universe. In the standard picture of the universe, nearly everything is hidden ...
Well, you see, cosmologists (like astronomers*) are simple folks. They basically model everything as so-called “perfect fluids”. What is a perfect fluid? It is stuff that has density and pressure, but ...
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