All articles starting with S
44,216 articles
Spaceflight 1960–1964
Spaceflight 1960–1964 spans the Cold War space race's defining firsts: Yuri Gagarin's first orbit in 1961, John Glenn's first American orbital flight in 1962, and Syncom 3.
Spaceflight in the 1990s
Spaceflight in the 1990s saw the Space Shuttle become a routine workhorse, the launch of Hubble in 1990, and the start of the ISS assembly and Shuttle-Mir program.
Spaceflight osteopenia
Spaceflight osteopenia is the loss of bone mineral density that astronauts experience in microgravity, at about 1% to 1.5% per month in weight-bearing bones, raising fracture and osteoporosis risk.
Spaceflight participant
A spaceflight participant is a person flown aboard a launch or reentry vehicle who is not a crew member, the FAA and NASA's formal term for space tourists.
Spaceflight-associated neuro-ocular syndrome
Spaceflight-associated neuro-ocular syndrome (SANS), formerly known as visual impairment and intracranial pressure (VIIP) syndrome, is a collection of eye changes affecting astronauts on long-duration spaceflight, first described in 2011.
SpaceGhostPurrp
SpaceGhostPurrp (Markese Money Rolle, b. 1991), Miami rapper-producer from Carol City, founder of Raider Klan, 4AD debut Mysterious Phonk (2012), popularizer of phonk and 1990s Memphis revival sound.
Spacehog
Spacehog: English alternative rock band formed in New York City in 1994 by Leeds musicians Royston and Antony Langdon, Jonny Cragg, and Richard Steel; glam-influenced debut Resident Alien (1995) yielded the hit In the Meantime, later featured in Guardians of the Galaxy Vol. 3.
Spacehunter: Adventures in the Forbidden Zone
Spacehunter: Adventures in the Forbidden Zone is a 1983 American science fiction adventure comedy directed by Lamont Johnson, starring Peter Strauss, Molly Ringwald, and Michael Ironside, shot in 3-D.
Spacelab
Spacelab was a modular space laboratory developed by the European Space Agency for NASA's Space Shuttle, flying on 22 science missions from 1983 to 1998.
Spacelift (company)
Spacelift is a Polish infrastructure-as-code orchestration company founded in 2020 by Paweł Hytry and Marcin Wyszynski, which raised a $51 million Series C in July 2025.
Spacemaker (company)
Spacemaker was a Norwegian software startup founded in Oslo in 2016 that sold cloud-based AI for early-stage urban site design; Autodesk acquired it in 2020 for $240 million.
Spaceman (2024 film)
Spaceman (2024 film): Netflix sci-fi drama directed by Johan Renck, adapted from Jaroslav Kalfař's novel Spaceman of Bohemia, starring Adam Sandler as astronaut Jakub with Paul Dano voicing alien spider Hanuš.
Spacemen 3
Spacemen 3: English neo-psychedelic drone rock band formed 1982 in Rugby, Warwickshire by Sonic Boom (Pete Kember) and Jason Pierce (J Spaceman), motto "taking drugs to make music to take drugs to"; four albums, disbanded 1991.
SpacemiT
SpacemiT (进迭时空) is a Chinese RISC-V chip startup founded in Hangzhou in November 2021, developing full-stack RISC-V technology for edge AI, robotics, and cloud servers.
SpaceNews
SpaceNews is an American trade publication covering the global space industry since 1989, reporting on space companies, government agencies, technologies, and policy through a monthly magazine and daily online coverage.
Spaceplane
A spaceplane, also called an aerospace plane, is a vehicle that reaches space like a rocket but glides back to a runway landing like an aircraft.
Spaceport
A spaceport is a ground-based facility from which rockets launch into space, in the US a site licensed by the FAA; 28 have launched satellites to orbit since 1957.
Spaceport America
Spaceport America, also known as the Southwest Regional Spaceport, is an FAA-licensed commercial spaceport in Sierra County, New Mexico, built starting in 2009 as Virgin Galactic's home base.
Spaceports in the Middle East and Africa
Spaceports in the Middle East and Africa are rocket launch facilities, including Israel's Palmachim Airbase and Iran's Imam Khomeini Spaceport, while Africa has no active orbital site.
Spacer Woman
"Spacer Woman" is a 1983 electronic single recorded as Charlie by Vicenza musicians Maurizio Cavalieri and Giorgio Stefani; a commercial flop at release, it became a cult Italo disco and electro classic after 2000.
Spacesat (垣信卫星)
Spacesat, formally Shanghai Yuanxin Satellite Technology and also known as SpaceSail, is a Shanghai-based, state-backed satellite internet company founded in 2018 that operates the Qianfan broadband constellation.
Spaceship Earth (Epcot)
Spaceship Earth, also known as the Epcot Ball, is a dark ride inside a large geodesic sphere at Epcot in Walt Disney World, Florida, opened in 1982.
SpaceShipOne
SpaceShipOne was a privately funded, rocket-powered suborbital aircraft built by Burt Rutan's Scaled Composites with Paul Allen's financing, becoming the first private crewed vehicle to reach space in 2004.
SpaceShipTwo
SpaceShipTwo is a reusable, air-launched, eight-seat suborbital rocket plane built for Virgin Galactic's space tourism program, carried aloft by White Knight Two and using a folding feather wing for reentry.
Spaceteam
Spaceteam is a free cooperative shouting party game for 2 to 8 players by Henry Smith, released November 29, 2012 on iOS and later Android, where players relay technobabble instructions before their ship explodes.
Spacetime
Spacetime, also called the space-time continuum, is the four-dimensional continuum unifying space and time into one manifold, developed by Hermann Minkowski in 1908 as the setting for relativity, where Einstein's equations make geometry respond to matter.
Spacetime algebra
Spacetime algebra (STA) is the Clifford algebra of Minkowski spacetime, introduced by David Hestenes in 1966 to unify spinors, tensors, and Lorentz transformations in one coordinate-free structure.
Spacetime symmetries
Spacetime symmetries are transformations that leave the metric of a spacetime unchanged, described in general relativity by Killing vector fields, each yielding a conserved quantity along free particles' paths.
Spacetime topology
Spacetime topology is the study of the global topological structure of spacetime in general relativity. Einstein's equations fix local curvature but say nothing about global topology.
Spacewar!
Spacewar! is a 1962 two-player space-combat video game written by Steve Russell and others at MIT on a DEC PDP-1, inspired by Doc Smith's Lensman novels; it seeded hacker culture and inspired Computer Space and Pong.