Astrophysicist Neil deGrasse Tyson, 67, explained how any alien visitor from another planet would likely look very different from humans and may not even share the same DNA structure.

Some in the UAP community are gratified by recent pop culture attention — but they aren't happy with the government's use of it.

Neil deGrasse Tyson calls on the government to just show the alien, saying Americans are ready for disclosure after years of hearings and UAP files.

The new UFO movie Sleeping Dog, starring Jeremy Corbell and directed by Michael Lazovsky, is being released alongside a push for more government disclosure from a bipartisan group of lawmakers and a highly anticipated film from Steven Spielberg.