Explore the Viking mission to Mars in this vintage film. Witness the spacecraft launch, Mars landing, and search for life on the Martian surface. A historical look at space exploration.

A new study reconsiders the controversial findings of NASA's Viking Mars lander in 1976, which some argue may have shown signs of past life on the Red Planet.

Gastrointestinal illness outbreaks on Princess Cruises and Viking ships sickened nearly 150 people. Among 1,894 guests aboard Princess’ Coral Princess ship, 59 reported being ill during its ...

The Viking landers of the 1970s may have come close to finding life on Mars but could have unintentionally destroyed it. A new hypothesis challenges NASA's water-centric approach to searching for ...

When the Viking 1 lander send down twin landers to study Mars in 1976, the results returned a negative result for the possibility of microbial life. However, for years, scientists have argued that ...

"The experiments performed by NASA's Viking landers may have accidentally killed Martian life by applying too much water," scientist Dirk Schulze-Makuch said.

In 1975, NASA's Viking 1 spacecraft and its two landers began searching for signs of life on Mars. While initial tests hinted at microbial activity, t ...

Initially dismissed as Earthly contamination, later missions have confirmed these were native to Mars. Could the Viking landers have destroyed life’s only traces on the Red Planet?

Life on Mars may have been found -- before it was accidentally destroyed during a prior NASA mission, one scientist has suggested. In 1975, just six years after Apollo 11 touched down on the moon ...

In 1975, NASA's Viking 1 spacecraft entered orbit around Mars, carrying a mission to unlock the secrets of the Red Planet. Soon, it released twin landers that drifted toward the Martian surface and ...