Best Space Mission

NASA's Mars 2020 mission landed Perseverance in Jezero Crater in February 2021 to investigate an ancient environment that may once have supported microbial life. Its scientific work connects the crater's geology with the search for possible signs of past organisms. A defining task is collecting and...

Launched in 2016, NASA's OSIRIS-REx mission traveled to the near-Earth asteroid 101955 Bennu to collect material for laboratory study on Earth. The spacecraft arrived in 2018 and spent roughly two years mapping the surface and evaluating a sampling location. In October 2020, it gathered rocks and du...

During NASA's 1993 STS-61 mission, Space Shuttle Endeavour carried the crew and equipment for the first servicing visit to the Hubble Space Telescope. A series of spacewalks addressed the observatory's blurred vision, caused by spherical aberration in its primary mirror. Astronauts installed COSTAR,...

Operating in low Earth orbit from 1986 until its controlled atmospheric reentry in 2001, Mir began as a Soviet station and later became a Russian one. It was the first modular space station assembled in orbit, with additional sections expanding its laboratories and living space over time. That appro...

Friendship 7 was the Mercury capsule that carried John Glenn on NASA's Mercury-Atlas 6 mission on February 20, 1962. Launched by an Atlas rocket, Glenn became the first American to orbit Earth, completing three circuits during a flight lasting nearly five hours. The mission took place during the Spa...

The first resident expedition to the International Space Station launched aboard Soyuz TM-31 on October 31, 2000. NASA astronaut William Shepherd commanded Expedition 1, joined by Russian cosmonauts Yuri Gidzenko and Sergei Krikalev. Gidzenko commanded the Soyuz flight to the station, while Krikalev...

Sentinel-2 is an Earth observation mission developed by the European Space Agency (ESA) as part of the Copernicus Programme. Consisting of two identical satellites (Sentinel-2A launched in 2015 and Sentinel-2B in 2017), the mission provides multispectral imagery with 13 spectral bands at spatial res...

Launched on May 30, 2020, Crew Dragon Demo-2 was the first crewed test flight of SpaceX's Crew Dragon spacecraft. NASA astronauts Bob Behnken and Doug Hurley traveled to the International Space Station aboard the capsule. Their departure marked the first crewed orbital launch from United States soil...

The COBE (Cosmic Background Explorer) mission, operated by NASA from 1989 to 1993, provided crucial data about the early universe. It precisely measured the cosmic microwave background radiation—the afterglow of the Big Bang—and identified subtle temperature variations within it. These anisotropies...

NASA’s Ingenuity helicopter is an experimental rotorcraft deployed as part of the Mars Perseverance rover mission. It achieved historic status by conducting the first powered, controlled flight on another planet in February 2021. This technology demonstrates the feasibility of aerial exploration for...

The Curiosity rover is a mobile science laboratory exploring Mars. Launched by NASA in 2011, it landed within Gale Crater in 2012. This mission investigates whether the area once supported microbial life through analysis of its surface composition and environmental conditions. Scientists studying Ma...

The Opportunity rover explored the Martian surface from 2003 to 2018. NASA’s mission investigated Gale Crater searching for evidence of past water activity. Its extended operation provided invaluable data regarding Mars' geological history and environmental conditions. The rover is primarily useful...

NASA's Mariner 9 became the first spacecraft to enter orbit around another planet when it reached Mars in 1971. Its working mission continued until 1972, using an orbital viewpoint to map the surface and investigate the planet's physical features. A major dust storm initially obscured much of Mars,...

Flown aboard Space Shuttle Endeavour in February 2000, the Shuttle Radar Topography Mission measured land elevations across much of Earth. It was an international project led by NASA and the National Imagery and Mapping Agency, the predecessor of today's National Geospatial-Intelligence Agency. SRTM...

The Apollo 15 mission, launched in July 1971, represents a significant chapter in lunar exploration. NASA’s crew conducted extensive geological surveys of the Hadley-Apennine region using the first operational Lunar Roving Vehicle. This allowed for greater mobility and sample collection than previou...

STS-1 (Space Transportation System-1) was the first orbital flight of NASA's Space Shuttle program, launched on April 12, 1981, from Kennedy Space Center in Florida. The mission was crewed by Commander John Young and Pilot Robert Crippen, who orbited the Earth 37 times over the course of 54.5 hours...

Voyager 2 is a NASA-built spacecraft deployed in 1977. It’s notable for being the first to explore Uranus and Neptune providing invaluable data about these ice giants. The probe also achieved interstellar space travel marking a significant milestone in humanity's understanding of our solar system’s...

Voyager 1 is an active NASA spacecraft launched in 1977. It undertook a flyby mission to Jupiter and Saturn. The probe achieved a historic milestone in 2012 becoming the first human-made object to enter interstellar space. Its data provides valuable insights into the conditions beyond our solar syst...

Landsat 5 is a NASA space mission providing continuous global imagery since its launch in 1984. This satellite’s extended operational lifespan – exceeding 28 years – significantly contributed to the Landsat archive. The data collected by Landsat 5 is invaluable for scientists, researchers, and gover...

Launched by the European Space Agency in 2014, Sentinel-1 is a radar imaging satellite and a core component of the Copernicus program. It utilizes a C-band Synthetic Aperture Radar (SAR) instrument to provide continuous all-weather, day-and-night imagery of the Earth's surface. This data is used by...

Launched by NASA in 1965, Gemini 6A was a crewed spaceflight that successfully achieved the first space rendezvous in history. Commanded by Wally Schirra and piloted by Thomas Stafford, the spacecraft flew in close formation with the Gemini 7 vehicle in Earth orbit. This mission demonstrated critica...

The Infrared Astronomy Satellite (IRAS) operated from 1983 to 1989. This joint US, UK, and Dutch space mission conducted the first comprehensive all-sky survey using infrared light. Its data significantly advanced understanding of star formation, galaxy evolution, and the distribution of dust in our...

The Perseverance rover is a NASA spacecraft exploring Mars. Launched in 2020, it landed in Jezero Crater to investigate the planet’s geology and search for signs of ancient microbial life. It collects rock samples within sealed tubes, intended for eventual retrieval and analysis back on Earth. Scien...

The Mars Orbiter Mission (MOM), also known as Mangalyaan, is a space probe launched by the Indian Space Research Organisation (ISRO) in November 2013. The spacecraft successfully entered Mars orbit in September 2014, making India the first nation to successfully reach Martian orbit on its first atte...

Launched in 1997, Cassini-Huygens combined an orbiting spacecraft with a probe designed to descend through Titan's atmosphere. The joint NASA, ESA and Italian Space Agency mission studied Saturn and its system, including the planet's rings and moons. Cassini supplied sustained observations from orbi...

The Mariner 4 mission, launched by NASA in 1964, represents a pivotal moment in planetary exploration. This flyby spacecraft provided the first high-resolution images of Mars during its 1965 encounter. It transmitted these photographs, revealing surface details and geological features previously uns...

The Falcon Heavy demo flight was the maiden launch of SpaceX's Falcon Heavy rocket, conducted on February 6, 2018, from Kennedy Space Center's Launch Complex 39A in Florida. The mission carried a Tesla Roadster as a simulated payload, placing it into a heliocentric orbit extending beyond Mars. The t...

The Vostok 1 mission represents a pivotal moment in space exploration history. Launched by the Soviet Union in April 1961, it involved Yuri Gagarin becoming the first human to achieve orbit around Earth. This single flight demonstrated the feasibility of crewed space travel and established key techn...

The Apollo 16 mission, launched in 1972, represents NASA’s second crewed landing on the Moon. It focused exploration of the Descartes region highlands. Astronauts utilized a mobile laboratory, or rover, to investigate unique lunar rock formations and geological processes. This mission provided valua...