• Summary
  • Contents
  • Subject index

Published annually since 1972, the Historic Documents series has made primary source research easy by presenting excerpts from documents on the important events of each year for the United States and the World. Each volume pairs original background narratives with well over 100 documents to chronicle the major events of the year, from official reports and surveys to speeches from leaders and opinion makers, to court cases, legislation, testimony, and much more. Historic Documents is renowned for the well-written and informative background, history, and context it provides for each document. Each volume begins with an insightful essay that sets the year’s events in context, and each document or group of documents is preceded by a comprehensive introduction that provides background information on the event. Full-source citations are provided. Readers have easy access to material through a detailed, thematic table of contents, and each event includes references to related coverage and documents from the last ten editions of the series. Events covered in the 2018 Edition include:  • Historic U.S. and South Korean diplomatic advances with North Korea  • Investigation of Russian influence in U.S. elections  • Chinese constitutional changes granting presidential terms for life  • March for Our Lives and gun control demonstrations  • Changes to U.S. immigration and trade policies  • Legalization of marijuana in Canada  • Resignation of Australian prime minister  • Pope declares death penalty inadmissible Volumes in this series dating back to 1972 are available as online editions on SAGE Knowledge.

NASA Announces Launch of New Mission to Mars; European Scientists Find Martian Lake : May 5 and July 25, 2018
NASA Announces Launch of New Mission to Mars; European Scientists Find Martian Lake
Linda Grimm

In May 2018, the National Aeronautics and Space Administration (NASA) launched its latest mission to Mars, sending the InSight spacecraft on a nearly seven-month journey to the red planet to explore below its surface. While the spacecraft was en route to Mars, the European Space Agency (ESA) announced the discovery of a liquid body of water under the planet’s south pole. NASA and ESA also signed a statement of intent to collaborate on future missions to Mars, with the goal of bringing Martian samples back to Earth ...

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