![European Space Agency astronaut Luca Parmitano took this "space-selfie" during an extravehicular activity (EVA) at the International Space Station (ISS) in 2019. Six years earlier, Parmitano’s helmet dangerously filled with water during an EVA at the ISS. Credit: NASA](https://appel.nasa.gov/wp-content/uploads/2021/10/Luca-Parmitano_EVA_selfie-670x380.png)
High-visibility close call yields timeless lessons learned.
High-visibility close call yields timeless lessons learned.
Working on international programs and projects makes good collaboration essential.
Rocket plane pushed the boundaries of aeronautics at dawn of the space race.
Lucy Deputy Project Systems Engineer Mike Sekerak discusses the first space mission to study Jupiter’s Trojan asteroid swarms.
Mission will be first space test of kinetic impactor method.
Best practices for conducting high-purity hydrazine elemental analysis processes must be followed to avoid sample contamination that could impact space missions.
NASA’s Administrator discusses Moon to Mars plans at summit.
Parker Solar Probe Mission Scientist Adam Szabo discusses NASA’s journey to the Sun.
External circumstances can cause the need for NASA programs and projects to adapt and change.