Bill Nye is still around and so are his contemporaries. If you want intelligent narration about stuff like this, here's some recommendations:

Space focused:

https://www.youtube.com/@NASAGoddard

https://www.youtube.com/@EuropeanSpaceAgency

https://www.youtube.com/@pbsspacetime

https://www.youtube.com/@DrBecky

https://www.youtube.com/@whatdamath

General science (still plenty of space):

https://www.youtube.com/@SabineHossenfelder

https://www.youtube.com/@fermilab

https://www.youtube.com/@ScienceAsylum