With all the sightings of strange objects in the sky, people have been wondering for decades what these things can be.

PBS let corporate underwriters place messages that looked more like standard commercials. That process helped sustain such programs as “Nova,” “Masterpiece” and Ken Burns’ acclaimed documentaries. But ...

One of the world's most popular lecturers on astronomy, Tyson is a familiar face to NOVA audiences, having hosted the miniseries Origins (PBS, 2004) and having been a featured scientist in prior ...

Richter produced documentaries for ABC with Peter Jennings as correspondent, for NBC with Phil Donahue, for PBS “Nova” and for other independent PBS programs. In addition to producing and ...