Retroreflectors: From Apollo to Mars

When Apollo 11 landed on the Moon, the crew brought devices with them called retroreflectors, which are essentially small arrays of mirrors.

Astronaut Serena M. Auñón-Chancellor Examines Her Eyes in Space

Astronaut Serena Auñón-Chancellor examines her eye with a Fundoscope aboard the International Space Station with remote support from doctors on the ground.

Soyuz MS-16 Spacecraft Docked to the Space Station

Pictured is the Soyuz MS-16 crew ship, currently docked to the International Space Station's Poisk module.

Hubble Shoots the Moon

This image from 1991 shows Earth's Moon, with its dark basaltic mare, clearly visible in great detail.

NASA Has Eyes on the Universe

Humanity has "eyes" that can detect all different types of light through telescopes around the globe and a fleet of observatories in space.

Cyclones of Color at Jupiter’s North Pole

Cyclones at the north pole of Jupiter appear as swirls of striking colors in this extreme false color rendering of an image from NASA’s Juno mission.

Ellen Ochoa Shakes Hands with First Humanoid Robot to Head to Station

Then-NASA Johnson Space Center deputy director Ellen Ochoa poses for a photo with Robonaut 2 (R2) during media day in the Space Vehicle Mock-up Facility on Aug. 4, 2010.