What is it about human beings that makes us always want to push the limits? When it comes to the frontiers of medical science, is it possible to go too far? 

Vision discusses three books that examine why and how people hold beliefs about the meaning of life and the existence of God.

May 20, 2010, may one day be known as another key marker, a hinge of history in terms of the human control of life. 

Darwin seemed to understand that sometimes the more we know, the more we realize how little we know.

In Clive Cussler’s sensational 2005 novel, the author imagined the end of the world as the result of a business transaction gone very wrong. 

How did Darwin’s theory of natural selection and survival of the fittest become today’s dominant worldview?

Sir John Polkinghorne talks to Vision’s Dan Cloer about some of the deficiencies of science without religion.

Vision interviews astronaut Michael Massimino who has traveled to space twice to help repair the Hubble Space Telescope.

Early in stem cell research, scientists believed that differentiated body cells could not be coaxed back to a stem-like state. This belief has been turned on its head, offering hope for more healthy aging.

Vision contributor Dan Cloer asks Dr. Leonard Hayflick about his argument of the inevitable relationship between aging and longevity.

Researchers are investigating an array of biochemical fixatives that propose to increase longevity.

Wendy Freedman serves as director of the Observatories of the Carnegie Institution of Washington. She spoke with Vision about the next era of astronomy.

Beginning with Project Ozma in 1960, and for the last 25 years through SETI, Frank Drake has spearheaded the quest to hear from other intelligent beings in the universe.

Our planet shows increasing signs of succumbing to our assault. There are many ideas on fixing the problem, but the solution lies close to home.

God has allowed humankind dominance of the earth, but the situation we find ourselves in was not the path intended. What is our intended relationship to the earth?

On July 20, 1969, Neil Armstrong and Buzz Aldrin made the first extraterrestrial steps for mankind after the lunar module Eagle landed on the moon.

Alan B. Shepard, Jr. lived twice as long as many people expected. The first American in space, he lit America’s enthusiasm to rally behind the space program.

On the heels of extensive government intervention in economies around the world, Ayn Rand made a comeback. Is her philosophy really the answer?

It’s unusual to find someone who not only retains his or her early views but builds a whole superstructure of philosophical meaning atop them. Ayn Rand was such a person.

Just as a soap opera will not give valuable insight into real human relationships, finding another earth will not help us understand our place in the universe.