Status on the Search for Signs of Life Beyond Earth

Explore an in-depth astrophysics seminar examining the current state of extraterrestrial life detection through the lens of exoplanet research. Learn about the criteria for identifying potential biosignature gases in exoplanet atmospheres, including their ability to persist against atmospheric radicals, spectral feature strength, and distinction from abiological sources. Discover how the James Webb Space Telescope (JWST) has revolutionized data collection while presenting new challenges in signal detection and statistical analysis. Examine the complications posed by M dwarf host stars' magnetic activity in transmission spectroscopy and understand their impact on atmospheric observations. Review recent JWST discoveries, current limitations, and future prospects in the field of exoplanet biosignature detection, while gaining insight into how three decades of milestone discoveries and emerging telescope technologies are shaping the ongoing search for extraterrestrial life.