Wolf V. Vishniac, The First Human to Walk on Mars

An image from one of the first interplanetary explorers, the Viking 2 lander. Dr. Wolf Vishniac was one of Viking’s team members, and he pioneered the search for life in alien worlds. Image Credit: NASA/JPL-Caltech

He may not be a household name, but remember the name of Dr. Wolf V. Vishniac. A microbiologist by […]

JPL Attempting to Reestablish Communication With Comet Hunter Deep Impact

The Deep Impact spacecraft, depicted here in flight, is feared lost after a period of no communication since Aug. 8. Image Credit: NASA/JPL-Caltech.

NASA announced Tuesday, Sept. 10 that ground controllers have lost contact with its flagship comet-hunting probe Deep Impact, which is part of the Discovery Program managed at Marshall Space Flight Center […]