A party hat-shaped object spotted on Mars has sparked fresh debate among scientists, with some suggesting it could hint at something unusual, while others say there may be a far simpler explanation.

pt. 1. Function of the arts in contemporary society -- Rational society and irrational art -- The limits of painting -- Style and expression -- pt. 2. Hieronymus Bosch: symbolic integration -- The ...

NBC News' Gadi Schwartz talks to Harvard Professor Avi Loeb about the new images released of interstellar object 3I/Atlas as it passed by Mars and how the government ...