The 16 Most Important Space Missions in History

https://www.popularmechanics.com/space/g25941053/famous-space-missions-through-history/

On October 4, 1957, Sputnik I launched from the U.S.S.R.’s Baikonur Cosmodrome and entered Earth’s orbit, becoming the first human-made object to enter space. The aluminum-alloy sphere orbited...

Space exploration - Major milestones | Britannica

https://www.britannica.com/science/space-exploration/Major-milestones

International Space Station, 2000 The first artificial Earth …

NASA’s 10 Greatest Science Missions | Space

https://www.space.com/6378-nasas-10-greatest-science-missions.html

NASA's 10 Greatest Science Missions | Space

https://www.space.com/14532-10-greatest-nasa-science-missions-countdown.html

NASA Missions A-Z | NASA

https://www.nasa.gov/missions/

Mercury (Human Spaceflight Program) MESSENGER: Mercury, Surface, Space Environment, Geochemistry and Ranging Mini-RF Moon Mineralogy Mapper ( …

List of NASA missions - Wikipedia

https://en.wikipedia.org/wiki/List_of_NASA_missions

missions launched Notes Project Mercury: 1958 1961 1963 6: First U.S. crewed program Project Gemini: 1961 1965 1966 10: Program used to practice space rendezvous and EVAs: Apollo program: 1960 1968 …

NASA's Most Memorable Missions | Space

https://www.space.com/5853-nasa-memorable-missions.html

NASA's Most Memorable Missions #1. Apollo 11: First Moon Men. It's been nearly 40 years, but the first human landing on another world -- the moon --... #2. City in …

10 Most Important Missions In NASA's History - Listverse

https://listverse.com/2017/10/22/10-most-important-missions-in-nasas-history/

Arguably the greatest feat of human technology in world history, the 1969 Moon landing by Apollo 11 is by far the best-known and most monumental NASA mission. The mission launched on July 16, …

5 Unforgettable Moments in the History of Spaceflight

https://www.britannica.com/list/5-unforgettable-moments-in-the-history-of-spaceflight-and-space-exploration

The Apollo 11 spaceflight, which on July 20, 1969, achieved its goal of landing the first humans on the Moon, was arguably one of the most momentous events in 20th-century space exploration. The flight, …

The 20 Biggest Space Missions of the Next Decade

https://www.popularmechanics.com/space/g27392795/space-missions-next-decade/

The OSIRIS-REx mission, which launched in 2016 to visit the asteroid Bennu, is expected to return a 2.1 ounce sample of the rocky body back to Earth by 2023. The spacecraft reached Bennu in Nov.,...