Nuclear Winter with Ann Druyan and Brian Toon

What is fundamental in the universe? Neil deGrasse Tyson and comic co-host Chuck Nice welcome back Hakeem Oluseyi to dive deep into cosmology, plasma physics, the origins of life, and some of the most provocative ideas in modern astrophysics.NOTE: StarTalk+ Patrons can listen to ...  Show more

Is there a limit to how small life can be? Or how big? Neil deGrasse Tyson and Chuck Nice break down why all craters on the moon are round, the scale to life, and why the length of the day isn’t 24 hours. NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free h ...  Show more

Late last month, President Trump announced that the United States would be restarting nuclear weapons tests after a break of over 30 years. We’ve since learned that they won’t be the explosive kind of tests, but this sent us down a rabbit hole — where we found a story about dinos ...  Show more

At the height of the Cold War, a group of concerned scientists promoted their findings on the horrific aftereffects of nuclear war and were accused of fearmongering. But were they right after all? Learn all about the debate and its context in this classic episode.See omnystudio.c ...  Show more

On the program this week Jonathan chats to world-renowned Astrophysicist Neil deGrasse Tyson about his new book as well as all things cosmos related. This week for the Newsround Jonathan McCrea was joined by Dr Fergus McAuliffe and  scientist Jessamyn Fairfield. They discussed a ...  Show more

Sam Harris speaks with William J. Perry and Lisa Perry about the ever-present threat of nuclear war. They discuss the history of nuclear weapons, the bombing of Hiroshima and Nagasaki, the Cuban Missile Crisis, the present threat of accidental nuclear war, nuclear terrorism, unil ...  Show more