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Astronaut Joe Acaba Assists Spacewalkers
Astronaut Joe Acaba Assists Spacewalkers

Astronaut Joe Acaba (foreground) assisted crewmates Randy Bresnik (right) and Mark Vande Hei before they began a spacewalk on Oct.…

SCaN A to Z
SCaN A to Z

Y is for Yagi Antenna.

SCaN A to Z
SCaN A to Z

Z is for Zero Gravity.

Jovian Moon Shadow
Jovian Moon Shadow

Jupiter’s moon Amalthea casts a shadow on the gas giant planet in this image captured by NASA’s Juno spacecraft.

Smoke and Fires Dot Landscape in Northern China
Smoke and Fires Dot Landscape in Northern China

Fires can be seen in the Heilongjiang and Jinin provinces of China and a small section of Russia as well…

X-56A
X-56A

James Smith and Gary Cosentino prepare the X-56A for flight. Researchers are using the aircraft to investigate if highly-flexible, lightweight…

X-56A
X-56A

The X-56A is scheduled for November flights to further investigate how highly-flexible, lightweight wings function.

Spacewalker Mark Vande Hei
Spacewalker Mark Vande Hei

Astronaut Mark Vande Hei is pictured attached to the outside of the space station during a spacewalk to lubricate the…

This Week in NASA History: US Microgravity Laboratory-2 Launches – Oct. 20, 1995
This Week in NASA History: US Microgravity Laboratory-2 Launches – Oct. 20, 1995

This week in 1995, the space shuttle Columbia and STS-73 launched from NASA’s Kennedy Space Center carrying USML-2, the U.S.…

What Lurks Below NASA’s Chamber A?
What Lurks Below NASA’s Chamber A?

Hidden beneath Chamber A at the Johnson Space Center is an area engineers used to test critical contamination control technology…