In Space Exploration

 SPACE EXPLORATION   -; Space exploration , the investigation, by means of crewed and uncrewed spacecraft , of the reaches of the universe  beyond Earth ’s atmosphere and the use of the information so gained to increase knowledge of the cosmos  and benefit humanity. A complete list of all crewed spaceflights, with details on each mission’s accomplishments and crew, is available in the section chronology of   crewed spaceflights .   Humans have always looked at the heavens and wondered about the nature of the objects seen in the night sky. With the development of rockets  and the advances in electronics and other technologies in the 20th century, it became possible to send machines and animals  and then people above Earth’s atmosphere  into outer space . Well before technology made these achievements possible, however, space exploration had already captured the minds of many people, not only aircraft pilots and sc...