Alien Disclosure Timeline: What Could Be Revealed by 2029?

What do we actually think an alien looks like? 🤔 Neil deGrasse Tyson doesn't think we're alone, but states every Hollywood alien has a head, two eyes, a nose, a mouth. Some pointy ears, but that's exactly the problem:

The Top-Secret Alien Reproduction Vehicle Inside Lockheed Martin - Joe Rogan and Jay Anderson

Alien: Covenant.2017

Michael Jackson - Smooth Criminal Cover Performance