Cosmic Questions

At the front lines of the Ebola crisis in Central Africa, badly equipped health workers with little outside support are losing the fight against one of the worst outbreaks in history. Declan Walsh, a New York Times correspondent covering the outbreak, takes us to the epicenter of ...  Show more

SpaceX, Elon Musk’s rocket and satellite maker, is set to go public and begin selling shares as soon as next week. Ryan Mac, who reports on business, explains the plan for the company’s expected record-shattering debut on the stock market, and how it is changing the rules for inv ...  Show more

A century ago, astronomers were locked in a debate about the scope of our universe. Were we it? The answer is no. There are other galaxies beyond the Milky Way, and they are speeding away from us. Answering that question left astronomers with an even bigger puzzle. Why is everyth ...  Show more

Soon the highly anticipated James Webb Space Telescope will blast off into space, hurtling almost a million miles away from Earth, where it will orbit the Sun. Decades in the making, scientists hope its mission will last a decade and provide insights into all kinds of things, inc ...  Show more

Why does the universe exist? Neil deGrasse Tyson and comedian Chuck Nice answer fan questions about black holes, wormholes, the expansion of the universe and more! What are our options to solve the crisis in cosmology?

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It's our latest roundup of science news! This time, with Ailsa Chang of NPR's All Things Considered, who joins us to discuss three stories that take us on a journey through space — from the sounds of Earth's magnetosphere, to the moons of Jupiter, to a distant phenomenon NASA cal ...  Show more