Did Viking 1 find evidence of life on Mars? Fifty years after the NASA lander touched down, the jury is still out.

On July 20, 1976, the Viking 1 lander, an unmanned U.S. planetary probe, became the first spacecraft to successfully land on ...

Half a century after NASA first placed working hardware on Mars, the agency is preparing to explore not only the planet’s surface, but its skies. The story began on July 20, 1976, when Viking 1 ...

In summer 2026, NASA will commemorate the 50th anniversary of one of the most consequential milestones in planetary ...

On July 20, 1976, Viking 1—the first successful Mars lander in history—touched down on the red planet. NASA’s Viking Program ...

Five decades later, Nasa’s Viking 1 mission remains among the greatest landmarks in planetary science, a model for every ...

Williamsburg-area residents Joel Levine and Milton Holt were key members of the Viking Project, the historic quest to land ...

Half a century after the first successful Mars landing, Viking's greatest legacy may be the questions it taught us to ask.

On July 20, 1976, Viking 1 touched down on the Red Planet, and became the first robotic spacecraft to successfully carry out ...

The Viking I and II missions at the nation’s bicentennial were among the most successful missions in the annals of space ...

This Viking 1 image is one of first images of a sunset as seen from the surface of Mars. It shows the Chryse Planitia region ...