Neil deGrasse Tyson evaluates photos of the "alien"
mummies that Mexico's government recently shared
with the world. Stick around for more with Neil
deGrasse Tyson, and check out his latest book, "To
Infinity and Beyond: A Journey of Cosmic Discovery"
Neil deGrasse Tyson evaluates photos of the "alien"
mummies that Mexico's government recently shared
with the world. Stick around for more with Neil
deGrasse Tyson, and check out his latest book, "To
Infinity and Beyond: A Journey of Cosmic Discovery"