Is it significant that Earth and the Moon shared a magnetic field about 4 billion years ago? Research shows that it is. Scientists have learned that… read more

The proximity of Veterans Day made me think of the American flag and then, about stars. Astronomers like to think about the properties of stars,… read more

With all the problems humans face managing Earth’s resources for the benefit of all life, many people wonder if we can abandon Earth and move… read more

Two months ago, Kathy and I watched the reality television series Alone. The show chronicles a competition among ten wilderness experts who are… read more

Climate change discussions can range from casual to serious, from dismissive to alarmist. But how many people talk about Earth’s current period… read more

How many of us take breathing for granted? Our environment consists of about 21% oxygen, which is just right to sustain us. Yet, Earth has not always… read more

A casual look at the world of plants and insects may suggest that nothing much is going on, but the constant struggle is anything but quiet. In this… read more

The biggest island in the United States also is the fastest growing. Thanks to a steadily rising hot plume from the lower mantle, Hawaii… read more

Did Earth hide some of its treasure on the Moon? … read more

Those of us who are over 60 will never forget the chilling words spoken by the Apollo 13 command module pilot, Jack Swigert, and repeated by the… read more

Our planet is endowed with extravagantly rich mineral ore deposits. How did we get them and why is it significant? It turns out that the source of… read more

How did the Moon form and why does it matter? Researchers have learned that the size of the colliding bodies that resulted in our Moon provides more… read more

Does an out-of-this-world sugar discovery help solve one of science’s great mysteries? … read more

Have you ever wondered how birds and insects can fly through heavy rainfall without adverse consequences? Researchers have discovered that their… read more

Many Christians affirm that God has given us two “books” in which he reveals himself the book of Scripture and the book of nature. The… read more

Many devout Jews recognize the Creator-God revealed in nature (Romans 1:20), but they reject Jesus as the Messiah. Why? And how should we respond? … read more

The Bible, especially the Old Testament, is filled with prophecies about future events in human history. The best known of these prophecies are the… read more

A cornerstone belief of the Christian faith, the doctrine of the Trinity distinguishes Christianity from all other faiths. This doctrine makes… read more

We’re all familiar with Earth’s surface water cycle. Anytime it rains or we boil water on the stove, we see that cycle in action.… read more

Some people, no matter what the occasion, are always the life of the party. They not only occupy the center of the action, but they instigate it as… read more