We just got the clearest snapshot yet of the first light that streamed through the Universe. The results? We now have a clearer window into the infancy of the Universe, revealing with greater ...

For millions of years following the Big Bang, after the universe’s roiling soup of particles had cooled, the cosmos was a dark and boring place. There were no stars to make light. No familiar swirls ...

Did light shine in the universe’s earliest moments, or was it hidden from view? While this question may seem simple at first, arecent article by Live Sciencereveals that the reality is far more ...

The James Webb Space Telescope (JWST) just spotted round clusters of stars inside a galaxy more than 13 billion light years away, which formed just a few hundred million years after the Big Bang. The ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Excerpted from The Universe in 100 Colors: Weird and Wondrous Colors ...

93% of the newfound galaxies that Webb spotted had never been seen before. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The James Webb ...

How can any telescope see a galaxy 33.8 billion light-years away in a universe that is only 13.8 billion years old? When you purchase through links on our site, we may earn an affiliate commission.

The cosmic distance ladder is the world’s longest ruler, built to measure the universe. Since the time of the ancient Greeks, scientists have been constructing a cosmic measuring tape to measure the ...

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This NASA/ESA Hubble Space Telescope image features the spiral galaxy Messier 77, also known as the Squid Galaxy. CREDIT: ESA/Hubble & NASA, L. C. Ho, D. Thilker. Get the Popular Science daily ...

The epoch of reionization, a period following the cosmic dark ages, marks the transition of the universe's predominantly neutral hydrogen gas to its currently ionized state, driven by the ionizing ...