Here’s how it works. The Mars Pathfinder mission marked a groundbreaking moment in NASA's exploration of Mars, paving the way for future rover missions. Launched on Dec. 4, 1996, and landing on ...

'Returning Pathfinder to the shuttle stack after an extensive restoration process is a major milestone.' Pathfinder is back in its "space," three and a half years after it "landed" on Earth.

In doing so, the agency set up its first on-the-go, vehicular science lab on another world, able to visit more than one place in the course of its mission. As NASA’s Pathfinder spacecraft soared ...

NASA recently evaluated initial flight data and imagery from Pathfinder Technology Demonstrator-4 (PTD-4), confirming proper checkout of the spacecraft's systems including its on-board electronics ...

Space launches have already made headlines this year. Here's a look at upcoming launches you can watch from the comfort of home.

Flight controllers have lost contact with a small pathfinder spacecraft launched last week to test an unusual lunar orbit planned for NASA's Artemis moon program, officials said Tuesday.

LISA Pathfinder, a mission led by the European Space Agency (ESA) with contributions from NASA, has successfully tested a key technology needed to build a space-based observatory for detecting ...