Live Broadcasts

Watch Live: Emergency ISS Spacewalk to Fix Coolant Leak

Free live streaming by Ustream Astronauts on the International Space Station doing an unplanned "emergency" spacewalk to fix an ammonia…

11 years ago

Weekly Space Hangout – May. 3, 2013

Another busy episode of the Weekly Space Hangout, with more than a dozen space stories covered by a collection of…

11 years ago

Watch Live Hangout: TESS and the Search for Exoplanets

Last month, NASA announced plans to launch the Transiting Exoplanet Survey Satellite (TESS) in 2017. This is a satellite that…

11 years ago

Weekly Space Hangout – April 26, 2013

We had an action packed Weekly Space Hangout on Friday, with a vast collection of different stories in astronomy and…

11 years ago

Join in an Online Messier Marathon

Have you ever done a Messier Marathon? Want to try it online from the comfort of your own home? Astrophysicist…

11 years ago

Watch Live Webcast: Witnessing Starbursts in the Early Universe

Recently, a multinational team of astronomers found that massive, "dusty" galaxies were churning out stars much earlier than previously believed…

11 years ago

Watch “Fast-Track” Launch of Soyuz Live

Live video by Ustream Watch live the first "fast-track" human Soyuz flight to the International Space Station. The Soyuz TMA-08M…

11 years ago

Watch Live Webcast of Comet PANSTARRS

UPDATE: The webcast has been moved to March 16 at 17:00 UTC (1 pm EDT) due to bad weather in…

11 years ago

Cosmic Rays and Exploding Stars

Scientists have known about cosmic rays for a century. But these high-energy subatomic particles, which stream through space at nearly…

11 years ago