Mount Sharp Mars became the drier environment in more modern times. On August 5, 2017, NASA celebrated the fifth anniversary of the "Curiosity" rover mission landing, 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)) As of 23, 2019, "Curiosity" has been on the planet Mars for sols ( total days; ) since landing on August 6, 2012. Since September 11, 2014, "Curiosity" has been exploring the slopes of Mount Sharp, where more information about the history of Mars is expected to be found. As
NASA Earth Science chemistry, ocean and land ecosystems. It was a NASA scientist, Dr. James Hansen, who first alerted the world to the dangers of global warming due to greenhouse gases emitted by human burning of fossil fuels. Earth Science research also provides the foundations of understanding for the search for extraterrestrial life through the NASA Astrobiology Institute (NAI), in which the focus is often on the extreme conditions for life to survive. NASA Earth Science NASA Earth Science, formerly called the NASA Earth Science Enterprise (ESE), formerly called Mission To Planet Earth (MTPE), is a NASA research program "to develop a scientific