The most sensitive telescope now searching for radio signals from cosmic dawn, an era around 200 million years after the Big Bang when stars ignited, has doubled its sensitivity, a new paper reports. While not yet detecting this radiation, the redshifted 21-centimeter line they have put new
Amino acids make up millions of proteins that drive the chemical gears of life, including essential bodily functions in animals. Because of amino acids' relationship to living things scientists are eager to understand the origins of these molecules. After all, amino acids may have helped spa
New data from the James Webb Space Telescope (JWST) have revealed that the structures of galaxies in the early universe were much more diverse and mature than previously known. Scientists compared images of hundreds of galaxies taken by JWST for the Cosmic Evolution Early Release Science (CE
NASA's James Webb Space Telescope (JWST) reveal for the first time galaxies with stellar bars, elongated features of stars stretching from the centers of galaxies into their outer disks, at a time when the universe was a mere 25% of its present age. The finding of so-called barred galaxies,