For the first time, astronomers have captured X-ray portraits of a comet from beyond our solar system, are providing a ...

The third known visitor from interstellar space, comet 3I/ATLAS, is putting on a show that plays out in high‑energy light ...

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.

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 ...