Skip to Main Content
Image of the Day
Back Shell Tile Panels Installed on NASA's Orion Spacecraft

August 22, 2014

Inside the Operations and Checkout Building high bay at NASA's Kennedy Space Center in Florida, technicians dressed in clean-room suits ...

Image of the Day Gallery

Interactive Satellite Tracker
Interactive Satellite Tracker

Interactive Satellite Tracker (iSat) is a browser-based application that allows you to track all NASA Science Satellite Missions, as well as other satellites. Enjoy this free tool at home or in the classroom!

Watch in real time!

Latest ScienceCast
Sizing up an Exoplanet YouTube Video

Astronomers are not only discovering planets around distant suns, they are also starting to measure those worlds with astonishing precision.

Watch our latest ScienceCast: Sizing up an Exoplanet