Stephen Nash, a visiting senior research scholar at the University of Richmond, reports on climate change and how it will affect U.S. national parks. In some cases, the changes are happening faster than plant and animal species can adapt.

Faculty, students, and volunteers hit the streets to identify communities that are at risk from heat waves.

University of Richmond physics professor Jack Singal explains how to achieve flight on Mars — and what searching for signs of life there might tell us about other planets.