Each Monday, I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes ...

NASA's Viking missions to Mars may have inadvertently eliminated Martian life. The missions used water in experiments to ...

Mars may have hosted life billions of years ago, a possibility that has long intrigued scientists. Now, new evidence suggests ...

In 1975, NASA's Viking 1 spacecraft and its two landers began searching for signs of life on Mars. While initial tests hinted ...

In all our explorations of Mars to date, no evidence has been found that meets the rigorous standards to claim that we have ...

A German astrobiologist suggests that humans might have inadvertently wiped out Martian life nearly 50 years ago, during NASA ...

Astrobiologist Dirk Schulze-Makuch believes Nasa's Viking missions have inadvertently 'eliminated' Martian life. He also ...

Earth is starting to catch up to Mars, therefore it has been getting closer and brighter every week. Eventually, it doubles ...

Dustin by Steve Kelley and Jeff Parker 4 takeaways from the Lions blowout win over the Jaguars Costco, Walmart and 8 Other ...

Firming up plans to go to Mars would be fine, so long as it is not done at the expense of returning to the moon.

TL;DR: NASA's Viking 1 spacecraft, which landed on Mars in 1975, aimed to test for life using water-based methods.

The 1976 Viking landers were the first U.S. missions to land on Mars, conducting the only experiments dedicated to detecting ...