Back in 1976, the dual NASA Viking landers came to full stop on the Red Planet. Their life detection experimental findings still reverberate within the scientific community – fueling the on-going ...

Viking Mars receives rave reviews from recent cruisers. The variety of excursions, the delectable onboard dining and the comfortable cabins are a few things previous guests highlighted as superb.

The most significant change since those 1970's experiments were conducted was the discovery of high levels of perchlorate on Mars. Perchlorate, plus abiotic oxidants, explains the Viking results ...