To prepare for Servicing Mission 4, Hubble components must endure harsh tests at NASA's Goddard Space Flight Center. This feature explores test facilities at Goddard like: launch phase simulator centrifuge, the acoustic test chamber,...

Since its inception in 1958, NASA has relied exclusively on radio frequency (RF)-based communications as the only viable medium for exchanging data between a mission and a spacecraft. Today, with missions demanding communication with...

Episode 3: Time Machines – Hubble has looked back billions of years in time to see some of the earliest galaxies in their infancy, and it has fundamentally changed what we...

These profiles begin to explore what systems engineering is as seen through the roles of Benjamin Reed and Jackie Townsend on the Hubble Space Telescope. Reed is a materials assurance engineer who has a background in chemistry and has...

To see how the Transmitter works, go here

Opto-Mechanical Engineer Tyler Evans explains how the photons that bounce back from Earth are received and filtered by the ATLAS telescope. ATLAS is the primary instrument on board the...

Final preparations are underway for the exciting and challenging final mission to repair Hubble. Liftoff is scheduled for May 11 at 2:01 p.m. EDT, and the countdown clock will start at 4 p.m. Friday.



You can watch the...

Three astronomers in NASA Goddard's Exoplanets and Stellar Astrophysics Laboratory discuss how Hubble's coronagraph and resulting images have helped scientists find planets orbiting distant stars.<b<b<br/>r/>r/>

For more than half a century, NASA's Goddard Space Flight Center has been at the forefront of discovery, creating new instruments and managing high-profile missions that have expanded our understanding of the world around us. Perhaps...

Retired NASA astronaut John Grunsfeld hosts this six-part mini-series about the tools used on the Hubble Space Telescope servicing missions. Hubble was uniquely designed to be serviced in space so that components could be...

The Hubble Space Telescope has been answering questions about the universe for over 30 years.



The question is: How big is the Hubble Space Telescope? You might be...

Have you ever wondered how to find an exoplanet? Dr. Debra Fischer answers your question in this special “Mysteries of the Cosmos” edition of Ask a Scientist.

The Hubble Space Telescope has been with us for nearly two decades. In that time, its breathtaking images have captured peoples imaginations and its groundbreaking science has revealed some of the many secrets of our...

Episode 2: An Unexpected Journey – With five servicing missions, upgraded instruments, and new ways of operating, Hubble is not the same telescope it was when it launched....

Retired NASA astronaut John Grunsfeld hosts this six-part mini-series about the tools used on the Hubble Space Telescope servicing missions. Hubble was uniquely designed to be serviced in space so that components could be...

The Hubble Space Telescope has been revealing the secrets of the universe for over 30 years, but it turns out Hubble has some secrets of its own!



The question is: What...

The Hubble Space Telescope has been revealing the secrets of the universe for over 30 years, but it turns out Hubble has some secrets of its own!



The question is: How wide is Hubble’s...

Observations of Jupiter's icy moon Europa from NASA's Hubble Space Telescope have revealed the presence of persistent water vapor — but, mysteriously, only in one hemisphere.



Europa harbors a vast ocean underneath...

This time-lapse video reveals NASA’s James Webb Space Telescope is now a fully assembled observatory, and is accomplishing large-scale deployments and movements that it will perform while in space....

On March 20, 2009, at 1:00 p.m. EDT, join a panel of scientists for a live Sun-Earth Day Webcast on www.nasa.gov and NASA TV. During the webcast, scientists will share discoveries about the sun, while students monitor the sun and prepare...

The flight structure of NASA's James Webb Space Telescope was standing tall in the cleanroom at NASA's Goddard Space Flight Center in Greenbelt, Maryland.<b<b<br/>r/>r/>

Retired NASA astronaut John Grunsfeld hosts this six-part mini-series about the tools used on the Hubble Space Telescope servicing missions. Hubble was uniquely designed to be serviced in space so that components could be...

The Hubble Space Telescope has been revealing the secrets of the universe for over 30 years, but it turns out Hubble has some secrets of its own!



The question is: Hubble witnessed...

The Hubble Space Telescope has been revealing the secrets of the universe for over 30 years, but it turns out Hubble has some secrets of its own!



The question is: How many times does...

In order to know how the universe will end, we must know what has happened to it so far. This is just one mystery NASA's forthcoming Wide Field Infrared Survey Telescope (WFIRST) mission will tackle as it...