Astronomers analyzing archival images from JWST have discovered an unexpectedly vast population of the smallest asteroids ...

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

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 of TRAPPIST-1b using the James Webb Space Telescope have provided detailed insights into the potential ...

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 ...

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

Hubble Telescope captured this image of the planet Mars in 2018. This high-resolution image was more powerful than the ...

This month marks three years since the James Webb Space Telescope was first launched, which still feels something like a ...

Recent observations from the James Webb Space Telescope (JWST) challenge the previously held cosmic theory on the universe's ...

This Webb image captured distinct star clusters in the Firefly Sparkle galaxy which formed 600 million years after the Big ...