Fossils reveal many complex animals existed before the Cambrian explosion
Hundreds of Chinese fossils from the dawn of animal evolution may change how scientists think of this critical period of prehistory.
Hundreds of Chinese fossils from the dawn of animal evolution may change how scientists think of this critical period of prehistory.
We summarize the week's scientific breakthroughs every Thursday.
Scientists tracked mantis strike force from youth to adulthood, showing females eventually hit far harder than males. Why is a mystery.