Astronomers have uncovered a hidden cosmic web of galaxies and gas by mapping hydrogen light from the early universe.

Astronomers have created the largest and most detailed 3D map yet of a glowing signal from the early universe, revealing hidden galaxies and gas from 9-11 billion years ago. By analyzing faint ...

New 3D map of the early universe from HETDEX reveals faint hydrogen light linking galaxies 9 to 11 billion years ago.

Astronomers with the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX) have used data from the project to make the ...

Add Yahoo as a preferred source to see more of our stories on Google. The newly identified spiral galaxy Alaknanda, shown in the inset, appears in shorter-wavelength observations from the James Webb ...

The discovery of the universe’s oldest stars, identified within our own Milky Way galaxy, marks a significant leap forward in our understanding of cosmic history. These ancient stars, formed shortly ...

Galaxy Y1 shines thanks to dust grains heated by newly-formed stars (circled in this image from the James Webb telescope). Astronomers have uncovered a previously unknown, extreme kind of star factory ...

(The following is an open letter to Greater New Milford-area residents from the volunteers at the McCarthy Observatory on the campus of New Milford High School.) Dear friends of the McCarthy ...

Long before modern telescopes, early astronomers mapped the heavens with math, myth, and sheer curiosity. This crossword quiz celebrates the minds who first charted the cosmos. When you purchase ...