Harvard astronomer Avi Loeb thinks it’s possible that an alien spacecraft crashed to earth 10 years ago. He’s now launched a mission to dig the object up from the floor of the ocean.

Find out more about Professor Avi Loeb's work here: https://lweb.cfa.harvard.edu/~loeb/Opinion.html

Host: Andrew Bucklow
Producer:  Emily Pidgeon
Assistant Producer: Nina Young
Audio Editor: Joshua Burton

See omnystudio.com/listener for privacy information.