NASA has announced an exciting discovery hurtling through our solar system: an interstellar object. It’s a comet, but beyond ...

Its closest approach to the Sun will occur around October 30, just inside Mars' orbit, at 1.4 AU, before it continues its ...

The newly discovered interstellar visitor is just the third of its kind and fascinates astronomers who hope to learn from it ...

How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...