Stargazers were expecting to see the comet with the naked eye this month before it fell apart.

If C/2026 A1 (MAPS) survives its close encounter with the sun, it could blaze brightly enough to be seen from Earth.

The image shows a bright comet appearing to twist together with the glowing trail of a meteor, a moment described as a coincidence of cosmic scale. Gianluca Masi, an astronomer and founder of the ...

An instrument aboard NASA’s Europa Clipper spacecraft captured rare ultraviolet observations of an interstellar comet while Earth-based telescopes were blinded by the Sun. The spacecraft’s unique ...

Interstellar comet 3I/ATLAS made its closest approach to Earth on Friday, Dec. 19. The comet will remain about 170 million miles from our planet and poses no danger. While not visible to the naked eye ...