Environmentalism is the subject of heated debate all over the globe. But where do we end up when we set aside political and commercial questions?

Is the scientific method the best way to establish evidence for God? How can we know whether God exists?

John, the last surviving apostle, lived a long and challenging life. David Hulme looks at some of John’s early experiences as a follower of Jesus Christ.

Spiritual laws govern how we rightly relate to other humans and the environment. We can ignore them or align ourselves with them and reap the benefits.

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

Marine biologist Eric Montie discusses some of the challenges in determining the presence and effects of chemicals such as DDT in marine mammals.

What effect, if any, does religious belief have on us? Two books, both published in 2009, tackle the topic but come to very different conclusions.

How important is it for kids to spend a significant amount of time in unstructured outdoor play?

At some point every one of us has the opportunity to lead. What are the principles that enable us to lead with the interests of others foremost in mind?

DDT had no practical use until Paul Hermann Müller, a chemist working in Basel, Switzerland, discovered that it was an effective contact insecticide.

Few can deny the impact the controversial figure John Calvin has made on the modern Protestant movement.

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.

Survey finds that teens who have seen their parents drunk are more than twice as likely to get drunk themselves in a typical month.

Kofi Annan, the seventh Secretary-General of the United Nations and the first black African to hold the position, served from 1997 to 2006. 

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.

Who was the real Mary, and why the great disparity of beliefs about her? Which version is the correct one, or does it matter?

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.