ALIENS! EXTRATERRESTRIALS! MARTIANS! Let's. Get. Into. It. The phenomenal Dr. Kevin Peter Hand of NASA's Jet Propulsion Laboratory dishes on the oceans of distant moons, methane rivers, E.T., ice crusts, what might be out there, the timeline of possibly finding them, ghosts, aliens, dark matter, if we should fear making contact with intergalactic beings, if the government is hiding alien secrets, how finding extraterrestrial microbes would change the way we see life on this here tiny blue dot in space. Also: the galactic bulge.

Dr. Kevin Peter Hand's JPL profile

Dr. Kevin Peter Hand on Twitter: @alienoceans and Instagram @kevin_peter_hand

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Sound editing by Jarrett Sleeper of MindJam Media & Steven Ray Morris

Theme song by Nick Thorburn

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Astrobiology (ALIENS) with Kevin Peter Hand