Cosmic Queries – Alien Worlds and Extremophil...

Did the Milky Way used to be a quasar? On this episode, Neil deGrasse Tyson and comic co-host Chuck Nice explore quasars, the high energy universe, and the movie we’re making of the night’s sky with astrophysicist & host of PBS Space Time, Matt O’Dowd. NOTE: StarTalk+ Patrons can ...  Show more

Why is the past different from the future? Neil deGrasse Tyson and comedian Chuck Nice explore the universe’s deepest questions like why is there anything, how we know we are in the real present, if there could be a unified theory of physics and more with theoretical physicist Se ...  Show more

There's perhaps no bigger "What If" that will ever be asked. As long as we have been able to look up at the stars and understand the vastness of space, humans have pondered whether we are indeed alone in the universe. But perhaps no one has "been on the case" in a more serious wa ...  Show more

Get 20% off your first monthly box when you sign up at boxofawesome.com and enter the code “whatif” at checkout. If you’re ready to take action and prevent hair loss, go to keeps.com/whatif to receive your first month of treatment for free. Is the truth really "out there"? ...  Show more

Go to www.greenchef.com/WHATIF90 and use code WHATIF90 to get $90 off, including free shipping. It's been a long strange journey for Nobel Prize winning astronomer Didier Queloz. In 1995, he and his team discovered the first "Exosolar Planet" i.e. an Earth-like planet orbiting a ...  Show more

So imagine that all of the reports of UFO's, visitations and alien abductions were true...but sort of not? Confused? How about instead of "aliens" being alien, they were actually humans travelling back in time from the future to study their origins as a species? This is the thesi ...  Show more