Astronomy
How Scientists Know the Age of the Universe
Several independent lines of evidence point to a universe about 13.8 billion years old. Here is how the measurements work, what the James Webb telescope has added, and the puzzle still unsolved.
Independent News and Analysis
Several independent lines of evidence point to a universe about 13.8 billion years old. Here is how the measurements work, what the James Webb telescope has added, and the puzzle still unsolved.
