Earth’s largest particle accelerator starts new observations aimed at studying the universe’s earliest period, shortly after the Big Bang, according to coverage from multiple outlets. Space-focused reporting describes the work as a milestone in a long-running effort to access information from the early cosmos, with researchers characterizing the results as a “culmination of a decades-long quest.” The new measurements are presented as opening a broader view into how the early universe evolved, offering the potential to refine scientific understanding of its development. The reporting also emphasizes the expectation that the new data will provide “new insights” into early-universe processes, though it does not present specific new findings in the excerpts provided. Overall, the articles align on the significance of the accelerator’s new observational phase and the scientific goal of probing conditions close to the Big Bang, framing the start of the work as an important step toward understanding the early universe’s evolution.