The universe’s expansion rate was supposed to be a solved problem, yet the latest high precision map of the early cosmos has pushed one of modern astronomy’s sharpest conflicts back to center stage.

Researchers used the James Webb Space Telescope and Hubble to study the auroras of Jupiter. Credit: ESA / NASA / CSA / J. Nichols / M. Zamani Astronomers have zoomed in on Jupiter's poles to get a ...

NASA's Hubble Space Telescope and an ESA orbiter bound for Jupiter both recently glimpsed 3I/ATLAS. The comet will make its closest approach to Earth in December but poses no threat and is not visible ...