Read MoreNora Schmidt2025-10-222Remnants of Proto-Earth Found Deep in Earth's MantleResearchers have identified potassium isotope traces in ancient mantle rocks that match a 'proto-Earth' signature, offering rare direct evidence of Earth's composition before the Moon-forming impact and hinting at missing meteorite types.
Read MoreNora Schmidt2025-10-124Why Female Mammals Often Live Longer: Evolutionary RootsA comparative study of 1,176 bird and mammal species links sex-chromosome architecture and mating systems to sex-specific lifespan differences, showing females often outlive males in mammals.