
Saturn’s many cloud patterns, swept along by high-speed winds, look as if they were painted on by some eager alien…

These three images, created from Cassini Synthetic Aperture Radar (SAR) data, show the appearance and evolution of a mysterious feature…

Engineers took another step forward in preparations for the first test flight of NASA’s new Orion spacecraft in December.

The Expedition 45 crew will conduct its journey of exploration and discovery from a summit whose foundation was built by…

Russian cosmonaut Sergei Volkov is pictured during an emergency scenarios training session in the Space Vehicle Mock-up Facility at NASA’s…

Russian cosmonaut Sergei Volkov participates in an emergency scenarios training session in an International Space Station mock-up/trainer.

Russian cosmonaut Sergei Volkov is pictured during an emergency scenarios training session in the Space Vehicle Mock-up Facility at NASA’s…

NASA astronaut Jeff Williams, Expedition 47 flight engineer and Expedition 48 commander, is pictured during an emergency scenarios training session.

Russian cosmonauts Oleg Skripochka (foreground) and Alexey Ovchinin, both Expedition 47/48 flight engineers, participate in an emergency scenarios training session.

Astronauts Jeff Williams and Michael Hopkins are pictured during an emergency scenarios training session.