LONDON -- Britain moved Tuesday toward allowing scientists to create humans from the DNA of three people. The technology aims to liberate future generations from inherited diseases, but critics say it ...

A newborn baby cannot walk, feed itself or even lift its head. Compared with most animals, human babies are remarkably helpless. Yet this dependence is not a weakness; it is an evolutionary advantage.

As humans expand into space, how we'll continue to expand the species remains an important question. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...