A pair of stars spiraling around each other. That's the origin of a new source of repeating radio bursts we've detected, ...

For decades, astronomers were only able to study the universe's very first stars using theoretical models. Now, observations from the James Webb Space Telescope (JWST) have revealed what may be the ...

Astronomers have detected spacetime itself being dragged and twisted by a spinning black hole for the first time. The discovery, seen during a star’s violent destruction, confirms a prediction made ...

When the James Webb Space Telescope first came online in 2022, it immediately spotted something astronomers had never seen before: “little red dots” peppering the ancient expanse of deep space, ...

Astronomers have discovered that the Seven Sisters of the Pleiades star cluster have more stellar siblings than we thought — a lot more. Using NASA's exoplanet hunting spacecraft TESS (Transiting ...

Using a new framework, astronomers arrived at the most precise measurement of our universe’s expansion rate—but things still don’t add up, they say. Reading time 3 minutes One major, unsolved problem ...