On Aug. 7, 1980, NASA's Viking 1 spacecraft ended its epic and historic mission on the Red Planet. Viking 1 was the first spacecraft to successfully land on Mars. It was one of two Viking missions ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The seminal Viking orbiter and lander Mars missions of the 1970s were a landmark enterprise, ...

Today marks one of biggest moments in the history of space exploration, perhaps second only to the Apollo 11 landing that occurred on the same day in 1969. On July 20, 1976, the unmanned Viking 1 ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This is the propulsion system of the ...

A mosaic of Mars images captured by the Viking Orbiter 1, which operated around the planet from 1976 to 1980. Valles Marineris, the largest canyon in the solar system, cuts across middle of the planet ...

Mars has a north–south divide in the age of its surface, as judged by the density of impact craters. Altimetry data, which by inference provide a subsurface view of the planet, reveal that the divide ...

This stunning map of Mars reveals the Red Planet’s geology in unprecedented detail, giving us a new understanding of the red planet’s fiery history. It is the first global geological map of Mars since ...

As the year 1999 began, the Jet Propulsion Laboratory (JPL) in Pasadena, California, was arguably closer to launching a robotic Mars Sample Return (MSR) mission than ever before. About one martian ...