
The Moon is seen passing in front of the Sun during a total solar eclipse on Monday, August 21, 2017…

A total solar eclipse was captured on Monday, August 21, 2017 by photographers and videographers onboard a NASA Armstrong Flight…

NASA CTO Douglas Terrier is interviewed by NBC's Tom Costello during an Eclipse Across America broadcast aboard the USS Yorktown…

NASA CTO Douglas Terrier talks with the "Today Show's" Al Roker about NASA's science research during an Eclipse Across America…

A total solar eclipse was seen on Monday, August 21, 2017 from onboard NASA Armstrong Flight Research Center’s Gulfstream III…

A total solar eclipse is seen on Monday, August 21, 2017 from onboard NASA Armstrong Flight Research Center’s Gulfstream III…

Robert Lightfoot, acting NASA administrator and Thomas Zurbuchen NASA Associate Administrator for the Science Mission Directorate view a partial solar…

Robert Lightfoot, acting NASA Administrator, takes a photo during the total solar eclipse using a pair of eclipse glasses on…

A photographer's composite image tracks the partial eclipse over NASA Langley.

Armstrong videographer Mike Agnew operates a spectrograph instrument on the 20th to prepare for eclipse day, the 21st.