At hundreds of millions of kilometers from Earth, an interstellar comet has made an engineering-grade diagnostic: a ...

3I/ATLAS is the fastest comet ever recorded and its interstellar! NASA's Goddard Space Flight Center explains. Credit: NASA's ...

Editor's note: NASA and SpaceX are now targeting Wednesday, Sept. 24, at 7:30 a.m. for the launch of NASA and the National Oceanic and Atmospheric Administration (NOAA) space weather missions. Much as ...

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.