Are Oxygen and Ozone Signatures for Life?

Many people quickly identify oxygen and ozone as biologically produced molecules in Earth's atmosphere. For that reason, exoplanet researchers look for oxygen and ozone in……

Extrasolar Planets

Confirmation That Early Humans Were Making Bread

The discovery of two ancient ovens in Jordan provides evidence that humans were making bread at a time consistent with the Bible's account of early……

Human Flourishing

Highly Fine-Tuned Reverse Weathering Stabilized Earth’s Early Climate

It bothers my wife Kathy that I can be sitting in front of a computer and not even notice that the room temperature has dropped……

Early Earth

Probing the Moment of Creation with Large-Scale Magnetic Fields

In the past one hundred years astronomers have moved from knowing virtually nothing about the origin and history of the universe to possessing a detailed……

Inflation

6 Straight A Christian Thinkers

The Christian church has been graced with brilliant and influential thinkers since its inception. A list of "who's who" in Christian scholarship would be long……

Christian History

How to Discern Education vs. Propaganda

There is a lot of discussion these days about things like fake news, yellow journalism, and political propaganda. There is also a lot of attention……

Learning

Learning about Christian Creeds, Part 3

If you come from a non-creedal Christian church tradition-and there are a good number of them within Evangelicalism-you might wonder what a creed is and……

Theology

Take Up and Read: Making Sense of It All

I am writing this ongoing blog series on Reflections to encourage Christians to read more vigorously and enrich their lives with Christian classics in such……

Books

Mars’s Discoveries Showcase Earth’s Design

Earth's neighbor Mars has created a lot of discovery-driven headlines lately. In one, scientists found seasonal variation of methane in the atmosphere. In another, 3-billion-year-old……

Earth Design

Mastering Eddington’s Confirmation of General Relativity

Many people who witnessed the great eclipse of 2017 will remember it as a wondrous spectacle. But one amateur astronomer saw the event as an……

Laws of Physics

Maybe We Are Alone in the Universe

Back in the summer of 1950, famed physicist Enrico Fermi visited Los Alamos National Laboratory and discussed the possibility of interstellar travel with his colleagues……

UFOs & Extraterrestrials

Preparing Earth for Multicellular Life

My family vacationed in the California redwoods and the giant sequoias this past summer. Seeing these majestic trees towering above the surrounding landscape invokes a……

Earth Design

A Chemist Discovers Philosophy

G. K. Chesterton tells of an "English yachtsman who slightly miscalculated his course and discovered England under the impression that it was a new island……

How to Become a Christian Apologist

Do you enjoy apologetics? Have you ever wondered how you can become a professional Christian apologist? Here are four practical recommendations to help guide your……

It’s Okay to Be an “Exclusivist”

A few years ago I attended the graduation of my stepdaughter at Seattle University, a highly respected Catholic institution. During her studies she had developed……

What Were Conditions Really Like on Early Earth?

As a chemist, I am fascinated by the complexity of the molecules that make up life. Life can do with ease what it takes chemists……