Speculation about extraterrestrial life has rarely been far from public debate, and one Harvard researcher continues to push ...

Is humanity on the brink of the most profound discovery in history, or are we merely chasing shadows in the dark? This is the ...

"Even paranoids have real enemies," said the poet Delmore Schwartz, who was both clinically paranoid and definitely on to something, according to today's guest: Michael Shermer, the founder of Skeptic ...

Science is on the defensive. Half of Americans reject the theory of evolution and "Intelligent Design" campaigns are gaining ground. Classroom by classroom, creationism is overthrowing biology.