Jean Baptiste Lamarck argued for a very different view of evolution than Darwin's. Lamarck believed that simple life forms continually came into existence from dead matter and continually became ...

The French naturalist Jean-Baptiste Lamarck was an earlier evolutionist who put forward the theory of acquired characteristics. This held that characteristics acquired during an organism’s life ...

The discovery of Lucy, a 3.2 million-year-old skeleton, changed our theory of human evolution forever. The discovery is celebrating its 50-year anniversary, and continues to capture human imagination.