Dark matter halos are everywhere in the universe, yet no telescope can see them. These vast, invisible structures surround ...
Millions of light-years away, millions of years ago, a star exploded. In this violent process, it ejected incredible amounts ...
Astronomers have discovered a vast tendril of hot gas linking four galaxy clusters and stretching out for 23 million light-years, 230 times the length of our galaxy. With 10 times the mass of the ...
Multiple independent analyses of the oldest light in the universe now point to a subtle but persistent twist in its polarization, a signal that, if confirmed, cannot be explained by the Standard Model ...
Astronomers using NASA’s James Webb Space Telescope have created the clearest map yet of the universe’s “cosmic web” — the enormous hidden structure that connects galaxies across space. By analyzing ...
A group of researchers at the University of Waterloo and the University of British Columbia have discovered a potential "cosmic glitch" in the universe's gravity, explaining its strange behavior on a ...
The alternative text for this image may have been generated using AI. Fig. 3: Rest-frame ultraviolet–optical spectroscopy and radio–ultraviolet photometry of the host galaxy. The alternative text for ...
As I finished my PhD in 1992, the universe was full of mystery – we didn’t even know exactly what it is made of. One could argue that cosmologists had made little progress in our understanding of ...