Steven Spielberg and aliens is like cinematic peanut butter and jelly. His "Disclosure Day" is a thriller about a massive government alien cover-up.

Disclosure Day, a new extraterrestrial tale from Steven Spielberg starring Emily Blunt, Josh O’Connor, Colin Firth and Colman Domingo, is winning over Rotten Tomatoes critics in a big way.

But this is Spielberg, a moviemaker supreme who has bigger thoughts, larger questions about the universe and is still trying to get answers a half century after he dazzled the world with Close Encount...