The universe is still expanding at an accelerating rate, but it may have slowed down recently compared to a few billion years ago, early results from the most precise measurement of its evolution yet suggested Thursday.
Astronomy
Apr 7, 2024
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Scientists have analyzed the first batch of data from the Dark Energy Spectroscopic Instrument's quest to map the universe and unravel the mysteries of dark energy.
Astronomy
Apr 6, 2024
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When did the universe start? When and how did the first stars and galaxies form? What is the fate of the universe?
Some 13.8 billion years ago, the universe began with a rapid expansion we call the Big Bang. After this initial expansion, which lasted a fraction of a second, gravity started to slow the universe down. But the cosmos wouldn't ...
Astronomy
Feb 6, 2024
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What is the universe made of? This question has driven astronomers for hundreds of years.
Astronomy
Jan 13, 2024
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Over ten years ago, the Dark Energy Survey (DES) began mapping the universe to find evidence that could help us understand the nature of the mysterious phenomenon known as dark energy. I'm one of more than 100 contributing ...
Astronomy
Jan 9, 2024
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One of the greatest challenges of modern physics is to find a coherent method for describing phenomena, on the cosmic and microscale. For over a hundred years, to describe reality on a cosmic scale we have been using general ...
A team of researchers has analyzed more than 1 million galaxies to explore the origin of the present-day cosmic structures, as reported in a recent study published in Physical Review D as an Editors' Suggestion.
Astronomy
Dec 22, 2023
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A new Scientific Reports study proposes an extension of the electron Born self-energy (eBse) model, unveiling a mechanism for cosmic inflation driven by a constant potential energy density, thereby challenging the conventional ...
Astronomers have known for decades that the universe is expanding. When they use telescopes to observe faraway galaxies, they see that these galaxies are moving away from Earth.
Astronomy
Nov 15, 2023
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