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Operations have begun at the Viking landing site to dig foot-deep trench in the Martian soil and distribute samples to three instruments.

Viking project officials have completed the first in series of three maneuvers with Viking Orbiter to fly close to the Martian satellite Phobos and take the highest-resolution pictures ever received of the tiny object. Photography will b…

Accurate continuous mapping of Arctic ice floes by airborne imaging radar has been proven feasible by team of Jet Propulsion Laboratory scientists, working jointing on National Aeronautics and Space Administration program with colleagues…

The NASA press room for the Viking Mars landing mission will open Monday, June 14, in the von Karman auditorium at the Jet Propulsion Laboratory, 48OO Oak Grove Dr., Pasadena.

Martian dust storms are very much like the severe ones on Earth–“only more so,” Jet Propulsion Laboratory planetary scientist says.

One of three small ovens in an experiment aboard the Viking 1 spacecraft may not be working, similar to condition on Viking 2 reported last week. Both Vikings are enroute to Mars for the first U.S. attempt to land on the planet.

One of three small ovens on an experiment aboard NASA’s Viking 2 Lander apparently did not operate during recent checkout tests of the instrument.

The Lockheed Missiles Space Company, Sunnyvale, California has been selected for negotiation of contracts to design and manufacture new ocean survey satellite, called SEASAT-A, it was announced today by Dr. W. H. Pickering, Director of t…

The precision of the first flight path correction for the Viking 1 spacecraft on August 27 has eliminated the need for any further corrections until the spacecraft is close to Mars, the Viking Project office announced today.

Two Viking spacecraft wil1 be launched to Mars from Cape Canaveral this month in the United States’ first attempt to land on another planet. The Viking Project is managed by the NASA Langley Research Center, Hampton, Virginia.

Is Mars totally bleak and inhospitable to life? Or could water still be found on the planet? What role do dust storms play in forming Martian clouds?

The Mariner 9 spacecraft will reach Mars and be placed into orbit in November. The following schedule of events is for your planning purposes. All times are Pacific Standard Time.