NASA is actively developing interstellar probe missions to explore the outer reaches of our solar system and the interstellar medium. One such initiative is the Interstellar Probe, a proposed spacecraft designed to travel beyond the heliosphere—the protective bubble created by the Sun's magnetic field and solar wind. Scheduled for a potential launch in the late 2030s, this mission aims to provide unprecedented insights into the structure and dynamics of the heliosphere and its interaction with the local interstellar medium. By venturing into this uncharted territory, scientists hope to better understand the boundaries of our solar system and the environment of interstellar space. skyandtelescope.org
Another significant project is the Interstellar Mapping and Acceleration Probe (IMAP), a NASA heliophysics mission set to launch in September 2025. IMAP will investigate the acceleration of energetic particles and the interaction of the solar wind with the local interstellar medium. By studying these phenomena, IMAP aims to enhance our understanding of space weather and its impact on both space and Earth-based technologies. The mission will utilize a suite of ten instruments to continuously monitor and analyze the solar wind and interstellar particles, providing real-time data crucial for space weather prediction and mitigation strategies. en.wikipedia.org