Astronomy

A collection of TED Talks (and more) on the topic of Astronomy.

Video playlists about Astronomy

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Talks about Astronomy

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Exclusive articles about Astronomy

5 1/2 reasons you shouldn’t miss the solar eclipse, straight from an over-the-moon astrophysicist

Here’s why should stop what you’re doing and look up at the sky on August 21, according to astrophysics researcher Jedidah Isler.
Posted Aug 2017

The out-of-this-world strategies in place to stop an asteroid impact

NASA has a plan to combat rogue interstellar objects -- and even a Planetary Defense Officer. Asteroid hunter, space scientist and writer Carrie Nugent reveals the array of tactics, from the tested to the far-out.
Posted Mar 2017

How to catch a ripple in spacetime

How do you build a real-world machine to test the most abstract of theories? Janna Levin talks with Rai Weiss, one of the original designers of LIGO, the four-kilometer-long sensors that have now twice detected the distant reverberations of two black holes crashing into one another.
Posted Jun 2016
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