Narrated by Alan Alda, this introduction to theoretical astrophysics gives us a brief overview of the field and illuminates some of the interesting questions being...
In this Howard Hughes Medical Institute program, Dr. Neil deGrasse Tyson, host of the PBS program NOVA scienceNOW and director of the Hayden Planetarium at...
Astrophysicists Neil deGrasse Tyson and Sallie Baliunas discuss the astrophysics of Star Trek and where the boundary between science and science fiction lies.
Frontiers/Controversies in Astrophysics (ASTR 160) Professor Bailyn introduces the course and discusses the course material and requirements. The three major topics that the course will...
"Observatory Nights" public lecture series from the Harvard-Smithsonian Center for Astrophysics Lauranne Lanz, CfA Five billion years from now, our Milky Way galaxy will collide...
