LifeFossil shows a parent caring for its young 520 million years ago Rare remains show a primitive shrimp-like creature apparently caring for four juveniles – the oldest example of parental care in the fossil record 51¶¯Âþ
EarthThe mass extinction that might never have happened An ecological catastrophe 201 million years ago supposedly paved the way for the rise of giant dinosaurs, but it may not have happened that way after all 51¶¯Âþ