NASA’s Interstellar Mapping and Acceleration Probe (IMAP) reached the Sun-Earth Lagrange point 1 (L1) on January 10, 2026, approximately 1 million miles from Earth toward the Sun, according to NASA.

NASA is preparing to map the boundary where the solar wind meets interstellar space in its Interstellar Mapping and Acceleration Probe, set for launch sometime after September of this year. NASA ...

In its closest-ever dive into the Sun’s atmosphere, NASA’s Parker Solar Probe has returned stunning new images and data that bring scientists closer to solving one of the Sun’s biggest mysteries: how ...