Title of video

Is climate change inevitable for intelligent civilizations? If so, what can we do about it?

Video title

Brown dwarfs aren't quite stars, but they're also not planets. So what are they?

CTIO and Las Campanas explore the very distant past, while Gemini South looks forward, with much patience.


Dr. Jackie Faherty discusses the importance of sharing astronomical discoveries with everyone.

The latest from Chilean observatories includes lessons learned from dwarf galaxies about galactic cannibalism.


Astrophysicist Katherine Freese describes mysterious dark matter how she became interested in the subject.

Title of video

What's the size of San Francisco, but has 1.5 times the mass of our sun? Dr. Shami Chatterjee has the answer!

NASA scientist Brian Day shares the U.S. history of Moon exploration and its future.

The next generation of telescopes in Chile will vastly increase our understanding of the cosmos.

Title page

Dr. Priya Natarajan shares how she maps the things we cannot see: dark matter, black holes, and more.


Recorded Lectures

Miss a Pritzker or Leakey Lecture?
Watch online:

Watch at iTunes University