Apollo 7 Crew Trains to Test Technology for Missions to the Moon

This Aug. 5 1968 image was taken aboard the MV Retriever in the Gulf of Mexico, where the Apollo 7 crew, Walter Schirra, Walter Cunningham and Donn Eisele practiced water egress procedures in preparation for the October 1968 mission.

Astronaut Michael Lopez-Alegria Works on Constructing the International Space Station

During National Hispanic Heritage Month, we're celebrating the contributions of the brilliant Hispanic women and men of NASA. In this Feb. 2007 photo, astronaut Michael E. Lopez-Alegria, Expedition 14 commander, participates in a 6-hour, 40-minute spacewalk as construction continues on the International Space Station.

Opportunity Emerges in a Dusty Picture

NASA still hasn't heard from the Opportunity rover, but at least we can see it again.

Our Sun: Two Wavelengths, Two Different Images

NASA's Solar Dynamics Observatory views our Sun in ten different wavelengths because each wavelength reveals different solar features.

Lonely Island

John Young Makes Last Minute Inspection of Gemini III

John W. Young (1930-2018), born on Sept. 24, was NASA's longest-serving astronaut and the only astronaut to fly missions in the Gemini, Apollo and Space Shuttle Programs.

Hubble’s Galaxies With Knots, Bursts

In the northern constellation of Coma Berenices lies the impressive Coma Cluster — a structure of over a thousand galaxies bound together by gravity.