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⇱ In-Flight STEM Downlinks - NASA

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👁 A screen capture of a STEM downlinks stream. Two astronauts are in the center of the image. The left female astronaut is wearing red, and the right male astronaut is wearing blue. There is a digital graphic near the bottom of the screen showing the NASA meatball, their names, and roles.

In-Flight STEM Downlinks

Connect students with astronauts aboard the space station for a live question-and-answer session about living and working in space.

Watch Past Downlinks

View a playlist of all our previous Downlinks.

View Downlink Schedule

Check out the schedule of upcoming Downlinks.

Apply for a Downlink

This opportunity is available to both formal and informal U.S.-based organizations. 

STEM Lessons From Space

STEMonstrations

Have you ever wondered what kind of STEM activities occur on the International Space Station? Follow astronauts as they demonstrate STEM concepts such as Newton’s Laws of Motion, surface tension, advances in technology and more.

View Resources

Discover More Topics From NASA

Communicating With Space

Astronauts communicate with Earth by sending data through a set of satellites to antennas on the ground.

Space Communications and Navigation

NASA's Space Communications and Navigation (SCaN) program sponsors various educational programs, projects, and travelling exhibits.

How Do Astronauts Stay In Touch with Earth?

Mission Control is home to many different players in many different positions that support the astronauts while they're out on the field. Communication is important, but how exactly do they stay in touch?

Build a Communications Satellite

Play this game to build a satellite that helps send information from other spacecraft to Earth.

Amateur Radio on the International Space Station

ARISS lets students worldwide use radio science technology to experience the excitement of talking directly with crew members of the International Space Station. 

Search Other Space Station-Related Resources

Explore more Space Station-related content with our STEM search.