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," ...

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

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

Mowla, who spotted the galaxy in Webb’s image, was drawn to its gleaming star clusters, because objects that sparkle ...

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

Nicknamed the Firefly Sparkle, this galaxy existed just 600 million years after the Big Bang and gleams with 10 distinct star ...

The James Webb Space Telescope has spotted five galaxy candidates dating to just 200 million years after the Big Bang, making ...

"We are observing the build-up of one the largest structures in the universe, a city of galaxies in construction." ...

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

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

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