NASA is developing and demonstrating technologies to service and repair satellites in distant orbits. Robotic spacecraft—likely operated with joysticks by technicians on the ground—would carry out the hands-on maneuvers, ...
On Earth, blood flows down from a person's brain back toward the heart thanks in part to gravity, but very little is known about how this flow happens in microgravity. Many crew members aboard the International Space Station ...
An unmanned NASA spacecraft is set Wednesday to make its deepest dive ever into the icy spray emanating from the underwater ocean on Saturn's moon, Enceladus.
An unmanned NASA spacecraft is about to make its deepest dive ever into the icy spray emanating from the underwater ocean on Saturn's moon, Enceladus.
For an astronomer, discovering a comet can be the highlight of a lifetime. Great comets carry the names of their discoverers into history. Comet Halley, Comet Lovejoy, Comet Hale-Bopp are just a few examples….
An innovative SkinSuit designed to reduce the debilitating physical effects of space flight has been trialled for the first time on the International Space Station (ISS) by a European Space Agency astronaut.
NASA and the Israel Space Agency signed an agreement Tuesday to expand cooperation in civil space activities, the Israeli government said.
Rosetta, named for the inscribed stone that allowed 19th-century historians to unlock the secrets of ancient Egypt, is unlocking the secrets of a far more ancient comet. Rosetta team member Paul Weissman discusses the mission.
The search for extra-terrestrial life just got a big boost from NASA's stunning announcement that it now has its strongest evidence yet of liquid water on Mars.
We've known for a long time that there's water on Mars. Now we know – thanks to NASA's latest announcement – that some of it is at the surface.