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A satellite or artificial satellite is an object, typically a spacecraft, placed into orbit around a celestial body. Satellites have a variety of uses...

The idea of sending humans to Mars has been the subject of aerospace engineering and scientific studies since the late 1940s as part of the broader exploration...

Ingenuity, nicknamed Ginny, is an autonomous NASA helicopter that operated on Mars from 2021 to 2024 as part of the Mars 2020 mission. Ingenuity made its...

From the total of 4,868 stars known to have exoplanets (as of July 1, 2024), there are a total of 995 known multiplanetary systems, or stars with at least...

The solar cycle, also known as the solar magnetic activity cycle, sunspot cycle, or Schwabe cycle, is a nearly periodic 11-year change in the Sun's activity...

STS-107 was the 113th flight of the Space Shuttle program, and the 28th and final flight of Space Shuttle Columbia. The mission ended on February 1, 2003...

The Iranian Space Agency (ISA, Persian: (سافا) سازمان فضایی ایران Sāzmān-e Fazāi-ye Irān) is Iran's governmental space agency. The Iranian Space Research...

The Lambda-CDM, Lambda cold dark matter, or ΛCDM model is a mathematical model of the Big Bang theory with three major components: a cosmological constant...

In cosmology, the steady-state model or steady state theory is an alternative to the Big Bang theory. In the steady-state model, the density of matter...

Solar eclipses on Jupiter occur when any of the natural satellites of Jupiter pass in front of the Sun as seen from the planet Jupiter. For bodies that...

The Space & Upper Atmosphere Research Commission, commonly referred to as SUPARCO, is the national space agency of Pakistan. Established in 1961 in Karachi...

Skylon is a series of concept designs for a reusable single-stage-to-orbit spaceplane by the British company Reaction Engines Limited (Reaction), using...

NGC 435 is an intermediate spiral galaxy located around 478 million light-years away in the constellation Cetus. NGC 435 was discovered on October 23,...

Lucy is a NASA space probe on a twelve-year journey to eight different asteroids. It is slated to visit two main belt asteroids as well as six Jupiter...

The magnetosphere of Jupiter is the cavity created in the solar wind by Jupiter's magnetic field. Extending up to seven million kilometers in the Sun's...

The Mojave Air and Space Port at Rutan Field (IATA: MHV, ICAO: KMHV) is in Mojave, California, United States, at an elevation of 2,801 feet (854 m). It...

In astronomy, an irregular moon, irregular satellite, or irregular natural satellite is a natural satellite following a distant, inclined, and often highly...

The lunar south pole is the southernmost point on the Moon. It is of interest to scientists because of the occurrence of water ice in permanently shadowed...

The Space Foundation is an American nonprofit organization, the mission of which is to advocate for all sectors of the global space industry through space...

Carolyn Jean Spellmann Shoemaker (June 24, 1929 – August 13, 2021) was an American astronomer and a co-discoverer of Comet Shoemaker–Levy 9. She discovered...