However, although photons of light existed since the first second after the Big Bang, they could not yet shine across the ...

To understand gravitational lensing and dark matter, James Jee, a professor at Yonsei University, says to think of a pond ...

Galaxy M83. An optical image of M83. ©2025 ESO CC-BY-ND Researchers discover high-velocity clouds in the nearby spiral galaxy ...

Dark matter is one of the biggest mysteries in the universe. The invisible force making up for 95% of the universe might have been found in frozen light.

What we saw in the DESI experiments, and now strengthened by our South Pole Telescope observations, is that dark energy is ...

But axions were pushed aside as the WIMPs hypothesis gained more steam. Back-of-the-envelope calculations showed that the ...

Perched atop Cerro Pachón in Chile, the newly-commissioned Vera C. Rubin Observatory has released some highly exciting first ...

Researchers discover high-velocity clouds in the nearby spiral galaxy M83. These clouds are moving at speeds significantly ...

The James Webb Space Telescope is only three years into operations, yet it keeps slipping the cosmic rug out from under ...

The black hole is located 11.6 billion light-years from Earth when the cosmic microwave background (CMB), the leftover glow from the Big Bang, was much denser than it is now.

The first test images from a groundbreaking observatory named for trailblazing astronomer Vera Rubin have captured the light from millions of distant stars and galaxies on an unprecedented scale — and ...