With his head in the clouds and hands on the budget, astrophysicist Neil deGrasse Tyson is one of the few American scientists commanding the attention of pop culture and the scientific journal.

This is the last of three blog posts associated with this week’s episode of Cosmos: A Spacetime Odyssey, which addresses life in the universe. Read the first and second here. Someday, in the not too ...

Take a trip beyond the stars with the documentary series "Cosmos: A Spacetime Odyssey." Each episode explores the vastness of the universe in search for answers to some of mankind's deepest questions.