Few pursuits in human history match the raw ambition of trying to understand the cosmos. From ancient stargazers etching constellations onto cave walls to physicists detecting ripples in the fabric of ...

By determining the exact amount of helium, the team was able to calculate the number of neutrino families —the lightest subatomic particles—present in the early universe. "We promised a half-percent ...

Space discoveries over the last five years have transformed how scientists understand galaxies, planets, and the origins of the universe. Advances in telescope technology, data processing, and modern ...

A University of Birmingham scientist has built a "mini-universe" that takes a step toward answering one of science's biggest questions: "What is time?" Publishing his findings in Physical Review ...