James Kasting

James Kasting is a prominent American geoscientist and astrobiologist known for his extensive research on planetary atmospheres and climate evolution. He has significantly contributed to our understanding of how Earth's atmosphere evolved over billions of years. Much of his work focuses on the boundaries of the habitable zone around stars.

He is an Evan Pugh Professor of Geosciences at Pennsylvania State University. He has been affiliated with the university for decades, working within their Department of Geosciences. Penn State is recognized as a major hub for astrobiology research, largely due to his contributions.

Yes, he authored the book How to Find a Habitable Planet in 2010. The book details the scientific methods used to detect life on exoplanets and explains the concept of the circumstellar habitable zone. It is widely used as an accessible resource for students of planetary science.

Kasting played a significant role in defining the modern models of the habitable zone, often referred to as the "Goldilocks zone." His climate modeling demonstrates how a planet's distance from its star dictates whether it can maintain liquid water. This framework is actively used by NASA when evaluating newly discovered exoplanets.