Kaitlin Rasmussen portrait

Seven Rasmussen

Author and professor of physics, astronomy, and astrobiology, Tacoma Community College

Dr. Seven Rasmussen is a professor of physics, astronomy, and astrobiology at Tacoma Community College. She is the author of "Life in Seven Numbers: A Journey into Astrobiology and the Drake Equation," published by Princeton University Press.

Latest Articles

Why the “habitable zone” doesn’t always mean habitable

The habitable zone is a useful concept in astrobiology, but it can sometimes paint an over-simplified picture of planetary habitability.

Eureka? Scientists’ first hints of life on other planets may not be so obvious

Knowing that you've found signs of life beyond Earth may not be as clear-cut and simple as one might think.

How we use starlight to look for alien life

The process of spectroscopy can help scientists hunt for biosignatures.