Two ways of measuring how fast the universe is expanding disagree, a puzzle known as the Hubble tension. Tiny magnetic fields ...

The sharpest dark matter map ever reveals the invisible cosmic scaffolding that built galaxies, stars, and ultimately life itself.

Recent James Webb Space Telescope data confirms a decade-old theory that the universe's earliest supermassive black holes ...

So cosmologists feel confident in modelling the universe using the “maximally symmetric” description of space-time in Einstein’s theory of general relativity. This symmetric vision for the universe, ...

Astronomers used James Webb Space Telescope data to determine the density of the universe's most mysterious "stuff." ...

You might think galaxies can’t ever find each other in our runaway cosmos, but it turns out gravity can sometimes overcome ...

Researchers using the James Webb Space Telescope have found a galaxy that is offering new data about the early stages of the universe's existence. The latest discovery shared by astronomers is about a ...

Astronomers have produced the most detailed map yet of dark matter, revealing the invisible framework that shaped the Universe long before stars and galaxies formed. Using powerful new observations ...

Findings allow scientists to learn more about dark matter’s influence on stars, galaxies, and planets ...

Scientists using NASA's James Webb Space Telescope now think the "little red dots" spotted in the early universe could be a new kind of space object. They call it a "black hole star." Credit: T.

The NASA/ESA/CSA James Webb Space Telescope has topped itself once again, delivering on its promise to push the boundaries of ...

Though sci-fi movies would have us believe that space is incredibly cold — even freezing — space itself isn't exactly cold. In fact, it doesn't actually have a temperature at all. Temperature is a ...