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OSIRIS-REx was a NASA asteroid-study and sample-return mission that visited and collected samples from 101955 Bennu, a carbonaceous near-Earth asteroid...

The effects of spaceflight on the human body are complex and largely harmful over both short and long term. Significant adverse effects of long-term weightlessness...

Omega Centauri (ω Cen, NGC 5139, or Caldwell 80) is a globular cluster in the constellation of Centaurus that was first identified as a non-stellar object...

Lobate debris aprons (LDAs) are geological features on Mars, first seen by the Viking Orbiters, consisting of piles of rock debris below cliffs. These...

Asteroid impact prediction is the prediction of the dates and times of asteroids impacting Earth, along with the locations and severities of the impacts...

Lunar water is water that is present on the Moon. Diffuse water molecules in low concentrations can persist at the Moon's sunlit surface, as discovered...

The European Launcher Development Organisation (ELDO) is a former European space research organisation. It was first developed in order to establish a...

NGC 8 is an asterism of two completely unrelated stars (spectral types K6I and G4)[citation needed] in the constellation Pegasus, discovered on 29 September...

The Soyuz-7 (Russian: Союз-7) or Amur (Russian: Аму́р) is a partially-reusable, methane–fueled, orbital launch vehicle currently in the design concept...

Naro-1 (Korean: 나로호), previously designated the Korea Space Launch Vehicle or KSLV (also KSLV-1), was South Korea's first carrier rocket, and the first...

A total lunar eclipse took place on 10 December 2011. It was the second of two total lunar eclipses in 2011, the first having occurred on June 15. A lunar...

PHL 293B, also known as Kinman's dwarf, is a low-metallicity blue compact dwarf galaxy about 22.6 Mpc from the Earth in the constellation Aquarius. It...

16 Psyche (/ˈsaɪkiː/ SY-kee) is a large M-type asteroid, which was discovered by the Italian astronomer Annibale de Gasparis, on 17 March 1852 and named...

Alpha Cassiopeiae or α Cassiopeiae, also named Schedar (/ˈʃɛdɑːr/), is a second-magnitude star in the northern constellation of Cassiopeia. Though listed...

Flora (minor planet designation: 8 Flora) is a large, bright main-belt asteroid. It is the innermost large asteroid: no asteroid closer to the Sun has...

The Southern African Large Telescope (SALT) is a 9.2-metre optical telescope designed mainly for spectroscopy. It consists of 91 hexagonal mirror segments...

Skadi Mons /ˈskɑːði ˈmɒnz/ is a mountain on Venus in Maxwell Montes, at the center of Ishtar Terra. It is the highest point on the planet, with an altitude...

The growth of plants in outer space has elicited much scientific interest. In the late 20th and early 21st century, plants were often taken into space...

This list of crewed Mars mission plans is a listing of concept studies for a crewed mission to Mars during the 20th and 21st centuries. It is limited to...

The Centennial Challenges are NASA space competition inducement prize contests for non-government-funded technological achievements by American teams....