On October 4, 1957, the Soviet Union launched the first artificial satellite, Sputnik, into space.In July 1969, Apollo 11 successfully landed astronauts Neil Armstrong and Buzz Aldrin on the moon.The Hubble Space Telescope was launched into orbit on April 24, 1990, by the Space Shuttle Discovery.On July 4, 1997, NASA's Pathfinder spacecraft landed on Mars, marking the first successful landing on the red planet in over 20 years.The International Space Station was launched on November 20, 1998, and has been continuously inhabited since November 2000.On January 14, 2005, the European Space Agency's Huygens probe successfully landed on Saturn's moon, Titan.In 2012, the Curiosity rover landed on Mars, beginning its mission to explore the planet's surface.On April 12, 2019, the first image of a black hole was captured by the Event Horizon Telescope.In December 2020, China's Chang'e 5 mission successfully returned samples from the moon, marking the first lunar sample return mission in over 40 years.NASA's Perseverance rover landed on Mars on February 18, 2021, with the goal of searching for signs of past life on the planet.