NASA

From site:  Take an interactive tour of NASA’s first five decades of exploration, featuring virtual pavilions, clickable models and exhibits, video galleries, astronauts, presidents, and a robot guide named Automa…

Scientists are investigating perchlorate salts detected on Mars. “Finding perchlorates is neither good nor bad for life, but it does make us reassess how we think about life on Mars,” said scientist Michael Hecht…

Learn about the Atlantis astronauts with crew journals, biographies, interview transcripts and imagery from crew training and past Hubble servicing missions.

Sponsored