Orcas evolved from a small deer-like species that roamed the earth more than 50 million years ago. They are among the most formidable animals in the ocean — pack-hunting creatures that feed on ...

Predators have evolved sabre teeth many times during the ... pushed into gelatine blocks designed to mimic the density of animal tissue. This showed that the sabre teeth were able to puncture ...

All animal evolution for the last half billion ... Once the body plans that proved most successful came to dominate the biosphere, evolution never had such a free hand again, and evolutionary ...

produced the most intense burst of evolution ever known. The Cambrian Explosion saw an incredible diversity of life emerge, including many major animal groups alive today. Among them were the ...

This groundbreaking discovery enriches our understanding of ecdysozoan evolution and underscores the role of the fossil record in addressing key questions about early animal development.