In 1610, Galileo Galilei aimed his telescope at Jupiter and discovered the four largest of the planet’s 95 known moons. He recognized them as...

One of the greatest unsolved mysteries in the grand scheme of evolution is the transition between jawless and jawed vertebrates. In a previous article,...

The modern theory of evolution has its roots in Charles Darwin’s 1859 book On the Origin of Species, in which he proposed the fundamental conjecture...