An international team of researchers pointed the largest single-dish radio telescope in the world at 3I/ATLAS.

Researchers used Green Bank Telescope to detect radio signals from 3I/ATLAS just before its closest approach to Earth.

The interstellar object 3I/ATLAS is approaching Earth with each passing day. On December 19, 2025, the object will come closest to Earth, but even then, it will remain approximately 170 million miles ...