For the first time in modern history, the global population is expected to decline within the next century, ushering in a “revolution in the story of our human civilization” and profound changes in how people live. The current global population … Read More
Earth’s interior is a far from quiet place. Deep below our surface activities, the planet rumbles with activity, from plate tectonics to convection currents that circulate through the hot magmatic fluids far underneath the crust. Understanding the origin of the … Read More
New research shows that our Moon once had an atmosphere 3 to 4 billion years ago. It formed when volcanic eruptions rocked the ancient satellite, propelling gases above its surface too rapidly for them to seep into space. The surface of … Read More
We all know that Earth is old, but it’s hard to put into perspective just how old it is. After all, what does 4.5 billion years really mean? How do you even comprehend that amount of time with our short-lived human brains? … Read More
Nothing puts your life into perspective like staring down on our little blue marble from the vastness of Space. This incredible NASA image, captured by the Mars Reconnaissance Orbiter, not only shows our planet from Mars in continental detail, but … Read More
Image on the cover is the second best photograph of Solar Eclipse. (Credit: Colleen Pinski) The total solar eclipse of August 2017 was a huge thing, and over 200 million Americans watched it. A lot of them were trying to … Read More