NASA Astronaut to Answer Questions from Students in Pennsylvania

NASA astronauts Chris Williams and Zena Cardman, both Expedition 74 flight engineers, work on spacesuit maintenance inside the International Space Station’s Quest airlock on Dec. 16, 2025.

Credit: NASA

NASA astronaut Chris Williams will connect with students in Pennsylvania to answer prerecorded science, technology, engineering, and mathematics (STEM) questions while aboard the International Space Station.

The Earth-to-space call will begin at 12:20 p.m. EST Thursday, Feb.