Comet 3I/ATLAS Sparks Scientific Controversy
Comet passed 12 million miles from Mars.
Communications limited due to government shutdown.
Avi Loeb claims comet could be alien tech due to size and mass.
New images show comet's shape as cylindrical due to camera distortion.
Some scientists say it's a comet; Dr. Horace Drew says it's not.
3 weeks ago