NASA spent years hunting for the original Apollo 11 slow scan and telemetry tapes that could have revealed a sharper, more complete record of humanity’s first steps on the Moon. What they found ...

The documentary “Apollo 11” — playing in select Imax theaters before opening more widely in regular cinemas on Friday — is one of the most rousing movies ever made about NASA and space exploration.

Here are five of the best of these movies, and how to stream them. But “Apollo 11” is far from the only great documentary about humanity’s efforts to explore beyond Earth’s atmosphere. The “space doc” ...