How Old Is Our Universe 2024. Until recently, astronomers estimated that the big bang occurred between 12 and 14 billion years ago. This study, published in the monthly notices of the royal astronomical society, challenges established cosmological models, proposing that the universe could be 26.7 billion years old instead of the widely accepted.
A team of astronomers determined a new age for the universe, estimating that the cosmos dates back to about 13.8 billion years. This study, published in the monthly notices of the royal astronomical society, challenges established cosmological models, proposing that the universe could be 26.7 billion years old instead of the widely accepted.