Sarah Rugheimer is an astrobiologist studying the chemical signatures of distant planets to uncover the potential for extraterrestrial life. As a research fellow at the University of Oxford, her work focuses on modeling atmospheric compositions and analyzing data from advanced telescopes.

Rugheimer's TED Talks have reached millions, making complex astrophysical concepts accessible to a wide audience. Her keynotes inspire wonder at the vastness of the cosmos and our place in it, while also exploring the cutting edge of humanity's search for life beyond Earth.