In 1929, Edwin Hubble discovered from observations of distant galaxies that the Universe was expanding. This baffled astronomers and the public alike. Then in 1998, another wrinkle: Two different ...
If you look across space with a telescope, you'll see countless galaxies, most of which host large central black holes, ...
Cosmic inflation tries to describe one brief but crucial phase in the Big Bang that launched the universe onto its expansion course. Many textbooks and science educators have attempted to describe the ...
Astronomers analyzing Sloan Digital Sky Survey data stumbled onto something they weren’t expecting: a structure stretching ...
Dark matter is understood to interact “feebly” with the visible universe, but was that always true? Physicists have modeled the inflaton—a theoretical space scientists use to examine the period ...
The JWST Advanced Deep Extragalactic Survey (JADES) program recently looked back at hundreds of the oldest visible galaxies in the universe. Just a few hundred million years after the Big Bang, early ...
A few hundred million years after the Big Bang, a thick fog of hydrogen gas shrouded the newborn universe in darkness. Stars had begun to form in the densest clumps, but the surrounding gas muffled ...
Scientists debate whether this object is the brightest in the visible universe, as a new study suggests. By Dennis Overbye Astronomers claimed on Monday that they had discovered what might be the ...
How to envision travel across the Visible Universe and beyond.<BR><BR>Space is big ... everyone knows that.<BR><BR>Consider your wardrobe. 2 metres high, 2 metres wide, 1/2 a metre deep. 2 cubic ...
"Icarus," located in a remote galaxy in Leo, is the most distant star yet seen. It lies more than halfway across the visible universe. NASA / ESA / P. Kelly, Univ. of Minnesota We've got a new ...
Deep in the heart of the matter, some numbers don't add up. For example, while protons and neutrons are made of quarks, nature's fundamental building blocks bound together by gluons, their masses are ...