Cosmic waves, often confused with gravitational waves, are not recognized as a distinct phenomenon; instead, gravitational waves are ripples in spacetime caused by massive objects like supernovae and colliding neutron stars. The discussion highlights the distinction between gravitational waves and cosmic rays, with participants emphasizing the need for clarity on terminology. Some contributors argue that space has properties and structure, challenging the notion of it being entirely empty. The conversation also touches on advanced theoretical concepts like branes and vacuum energy, suggesting that space may have more complexity than traditionally understood. Ultimately, the thread was locked due to excessive speculation and lack of concrete evidence regarding the existence of "cosmic waves."