Image Article

One of the most important aspects of Gravity Probe B (GP-B) was a process longtime Principle Investigator, Dr. Francis Everitt…

NASA astronauts Bob Behnken (foreground) and Doug Hurley are pictured briefing mission controllers.

NASA astronauts Doug Hurley (foreground) and Bob Behnken are pictured briefing mission controllers.

The "aurora australis" and a starry sky above the Indian Ocean

A wispy "aurora australis" intersects with the Earth's airglow.

Tropical Storm Cristobal nearing southeastern Louisiana.

A waning gibbous Moon is pictured just above the Earth's horizon.

Following launch on April 20, 2004, Gravity Probe B (GP-B) began data collection on August 28, 2004 and concluded on…

As part of the verification and validation process, the all-electric cruise motors to be used on NASA’s X-57 Maxwell began…

Engineers at Empirical Systems Aerospace, or ESAero, perform fit checks on the future wing to be used on the final…