There may not be as nearly as many small galaxies in the early universe as astronomers predict there should be, which has big ...

A professor at the University of California, Santa Cruz, he was a key contributor to a landmark paper that laid out how the ...

COSMOS-Web was the largest General Observer program selected by the James Webb Space Telescope for Cycle 1. The team, led by RIT Associate Professor Jeyhan Kartaltepe, has publicly released its full ...

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However, findings from the Dark Energy Spectroscopic Instrument (DESI) in March 2025 challenged this view. DESI was designed to track the acceleration of millions of galaxies and unravel the secrets ...

Astronomers announced the discovery of a starless cloud of hydrogen gas, a pristine relic of the cosmos that is almost as old ...

Astronomers have finally confirmed the existence of RELHICs—a long-theorized class of dark, starless clouds from the early ...

Mosaic images from the COSMOS-Web program offer a treasure trove of early galaxies. The first epoch of COSMOS-Web observations obtained with the NIRCam instrument on Jan. 5-6, 2023. Image credit: ...

New telescope instruments now reveal distant galaxies in detail, reshaping how astronomers map dark matter, star formation, ...

The James Webb Space Telescope is discovering distant clusters of stars that formed surprisingly early—presenting new mysteries about how the universe evolved. Using the James Webb Space Telescope, ...

It's unsettling to flip through a website scientists made that details the observable universe. I highly recommend doing it. Monisha Ravisetti was a science writer at CNET. She covered climate change, ...