Terri Randall, who created the documentary airing on “Nova,” says, “Talking to Shelley and some of the members of the NASA study group, I started to talk to them about what could we do to develop ...

There are trillions of planets out there. Are any of them sending spaceships our way?

With drones clotting the skies and Chinese spy balloons overhead, more and more people are starting to talk about UFOs. Are they little green men, aliens with enormous eyes determined to overpower ...