The interstellar comet 3I/ATLAS has been recognized as one of the oldest ever observed by astronomers—its age is estimated at 10 to 12 billion years. Analysis of data from the James Webb Telescope suggests that the comet originated in the cold and distant regions of the early Milky Way.
A new study has found that the optimal sleep duration to minimize the risk of metabolic disorders is 7 hours and 18 minutes. Deviations in either direction are associated with an increased risk of insulin resistance.
A new study of a lunar rock has revealed that the Mare Serenitatis crater on the Moon is older than previously thought—about 4.25 billion years old. This discovery could change our understanding of the early history of the Moon and other planets in the Solar System.