A NASA spacecraft has just reached its permanent observation point to begin a mission unlike any before. Known as IMAP, the ...
Only two spacecraft have ever truly escaped the solar system, slipping beyond the Sun’s protective bubble into interstellar space. Their measurements are now reshaping how I understand the heliosphere ...
NASA’s newly launched IMAP mission is set to tell us more about the boundary between our Solar System and interstellar space ...
Discovery: On July 2, 2025, astronomers confirmed Comet 3I/ATLAS, marking only the third interstellar object (ISO) ever detected passing through our Solar System, after 1I/ʻOumuamua (2017) and ...