Timeline of Mars Science Laboratory and related exploratory accomplishments, on the planet Mars. (Videos: "Curiosity" First Five Years (02:07); "Curiosity" POV: Five Years Driving (05:49); "Curiosity" Discoveries About Gale Crater (02:54)) On September 5, 2017, scientists reported that the "Curiosity" rover detected boron, an essential ingredient for life on Earth, on the planet Mars. Such a finding, along with previous discoveries that water may have been present on ancient Mars, further supports the possible early habitability of Gale Crater on Mars. On September 13, 2017, NASA reported that the "Curiosity" rover climbed an iron-oxide-bearing ridge called "Vera Rubin Ridge" (or "Hematite Ridge") and will now
Hard Time on Planet Earth Hard Time on Planet Earth Hard Time on Planet Earth is an American science fiction series that aired on CBS as a midseason replacement in 1989. Airing for 13 episodes, the series starred Martin Kove and was created by Jim and John Thomas. Scheduled opposite NBC's "Unsolved Mysteries" and ABC's "Growing Pains" on Wednesdays, "Hard Time on Planet Earth" ranked 65th out of 81 programs upon its premiere. Ratings for the series never improved and the series was canceled by CBS in May 1989. The last episode aired on June 21, 1989. The main character was an alien Elite Military