Explore the fascinating world of gravitational waves in this 56-minute lecture by physicist Gabriela González, recorded at the World Science Festival. Delve into the groundbreaking work of the Laser Interferometer Gravitational-Wave Observatory (LIGO) and its search for these elusive cosmic ripples. Discover the detection process, learn about Einstein's predictions, and uncover the mysteries scientists hope to solve about our universe. Journey through topics such as the early universe, rotating stars, neutron star binary systems, and the gravitational wave landscape. Gain insights into the LIGO observatories, their advancements, and the future of gravitational wave detection. Understand the importance of multiple wavelengths and messengers in astrophysics, including gamma-ray bursts and the expanding global detector network.