In his equations for the evolution of the cosmos, he added a term called a “cosmological constant” —depicted as the Greek letter Λ or “lambda”—that essentially gave space itself the ...

The latest study from the Dark Energy Spectroscopic Instrument (DESI) suggests that dark energy might not be constant. If ...

The most recent measurement of a nearby galaxy cluster is deepening a disagreement about how fast the universe is expanding — ...

When cosmologists used different ways to measure the value of sigma 8, a number that denotes how clumpy the universe is, they ...

Using the Spektr-RG (SRG) space observatory, astronomers from the Russian Academy of Sciences have inspected a radio-loud ...

The shell bracelets found in the cave have anthropomorphic engravings that depict profile faces and are also engraved with cosmological symbols. "Possibly the symbols and representations of ...

By mapping the brightest explosions in the universe, scientists may have uncovered a megastructure that defies our understanding of how the cosmos is built.

J1343+3644 is a compact dwarf galaxy in the process of merging, at a redshift of approximately ... a significant mystery in modern cosmology," the researchers write in the paper.

"It is larger than the size of most anything to which it might be compared." The universe's largest structure, the Hercules-Corona Borealis Great Wall, was already a challenge to explain with ...

JWST detects early galaxy Zhúlóng at redshift z=7.3 Galaxy formed just 800 million years post-Big Bang Zhúlóng shares a spiral structure with the Milky Way ...

The new research, published in March in the journal Monthly Notices of the Royal Astronomical Society, suggests that our universe completes one revolution every 500 billion years.This ultraslow ...

New models and simulations of the galaxy formation and evolution will benefit from including this missing piece of the cosmological puzzle in their calculations. By underestimating this gas ...