The leading explanation for the universe in its earliest periods has held sway for decades, with Peebles' early work investigating cosmic background ... "well-tested theory of evolution from ...

But for the Grants, the rewards have been great: They have done nothing less than witness Darwin's theory of evolution unfold before their eyes. That would have stunned Darwin, who thought natural ...

To Darwin, the embryonic resemblances were strong support for the theory of evolution. One of Darwin's contemporaries, German biologist Ernst Haeckel, summed up the argument in a famous ...