WHAT IS LISA? Mission Description All About Gravitational Waves Mission Benefits RIPPLES IN SPACE-TIME Einstein and Beyond Galactic Binaries Massive Black Holes Echoes of the Big Bang HOW LISA WORKS Lisa interferometry Spacecraft Description Instrument Description MISSION STRATEGY Detecting Gravitational Waves Complement Detectors Popups Big Bang Binary Systems Black Holes Complement Ground Detectors Cosmic Microwave Background Detecting Gravitational Waves Death Spirals of Stars Doppler Effect Echoes From the Early Universe Einstein's Theory Gravitational Waves Ground-based Laser Interferometers Ground-based Resonant Mass Interferometers Inflation Interferometry LISA's Orbit Messages Through Time Milky Way Neutron Stars Quasars & Active Galaxy Nuclei Redshift Ripples in Space-Time Supernova Taylor and Hulse Visible Light White Dwarfs Glossary Contacts Policy