2. 35-billion-year-old Moon rock found in Africa rewrites lunar history

A 2.35-billion-year-old Moon rock that fell to Earth in Africa is rewriting what we know about lunar volcanism. This rare meteorite, studied by UK scientists and unveiled at a major geochemistry conference, reveals that the Moon was volcanically active far longer than previously thought. With a unique chemical makeup and an age that bridges a billion-year gap in Moon rock samples, it suggests the Moon had internal heat sources that persisted for ages.