2025 Redefined Interstellar Science As 3I/ATLAS Defied Every Expectation

The interstellar object 3I/ATLAS, which entered the inner solar system in 2025, has baffled scientists with behavior that defies standard comet models. High-resolution observations revealed consistent but anomalous features, including repeating jets and sunward-pointing dust structures, suggesting that 3I/ATLAS may represent a new class of interstellar material or physics.