This article is a summary of Roy Ratcliffe’s recently released book ‘Life on Earth’ (Past, Present and Future)’. Of all the millions of species of life that have existed on earth over billions of ...

Could Earth have hosted an advanced civilization before humans? This intriguing question is at the heart of the Silurian Hypothesis, a theory that challenges our understanding of Earth’s history. By ...

Our first meeting was a bit awkward. One of us is an archaeologist who studies how past peoples interacted with their environments. Two of us are geophysicists who investigate interactions between ...

Musk wants to send the first uncrewed Starship to Mars by the end of 2026, followed by human spaceflights in the years after. The first humans on Mars would be tasked with laying the groundwork to ...