Strange secrets surround Mars' mysterious moon Phobos and the Soviet mission sent to explore it. Uncover the truth behind the puzzling features on Phobos' surface and the shocking final moments of the Phobos 2 probe.

543: DEEP DIVE: Deadly Triangles: Nevada, Bermuda and the Dragon's Triangle

The Why Files covers mysteries, myths and legends. We tell stories and seek the truth in a fun and lighthearted way. Our content is heavily researched; we don't release an episode unless we're sure we can bring something new to a topic.