Astronomers have long understood that the universe is expanding—in other words, the space in between cosmic objects that aren ...

A new theory explains how dozens of mysterious planet pairs discovered by the James Webb Space Telescope, dubbed "JuMBOs," ...

This mid-infrared image of colliding galaxies IC 2163 and NGC 2207 from the James Webb Space Telescope shows two large ...

By reverse-engineering James Webb Space Telescope (JWST) exoplanet data, a team of astronomers just spotted dozens of tiny ...

"The discrepancy between the observed expansion rate of the universe and the predictions of the standard model suggests that ...

Astronomers can't agree how fast our cosmos is expanding. A new James Webb Space Telescope study has made the crisis even ...

The rate of expansion of the universe today is a figure known as the Hubble constant, which is typically measured in units of ...

Fresh corroboration of the perplexing observation that the universe is expanding more rapidly than expected has scientists ...

When the James Webb Telescope came online in 2021, it promised to give a clearer picture of the universe that could help ...

The odds of us finding extraterrestrial life anytime soon are pretty slim. But if there's anything that can deliver us a sign ...

The James Webb Space Telescope has captured imagery of spiral galaxy NGC 7469, which is 90,000 light-years in diameter. The ...

These instruments, like the Hubble Space Telescope, reported a value of around 73 km/s/Mpc. The difference between these ...