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

Adamo, and the Cosmic Spring collaboration Day 11 of the 2024 Space Telescope Advent Calendar: gazing deeply through time.

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

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

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

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

New observations from the James Webb Space Telescope suggest that a new feature in the universe—not a flaw in telescope ...

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

JWST researchers reported on measurements built on last year's confirmation based on Webb data that Hubble's measurements of ...

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

Astronomers used the James Webb Space Telescope, the leading infrared observatory in space, to peer into the murk around the ...

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