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New Horizons is an interplanetary space probe launched as a part of NASA's New Frontiers program. Launched in 2006, it became the first spacecraft to perform...

1I/ʻOumuamua is the first confirmed interstellar object detected passing through the Solar System. Formally designated 1I/2017 U1, it was discovered by...

Phoenix was an uncrewed space probe that landed on the surface of Mars on May 25, 2008, and operated until November 2, 2008. Phoenix was operational on...

The Beagle 2 is an inoperative British Mars lander that was transported by the European Space Agency's 2003 Mars Express mission. It was intended to conduct...

A space settlement (also called a space habitat, spacestead, space city or space colony) is a settlement in outer space, sustaining more extensively habitation...

Notable spaceflight activities in 2017 included the maiden orbital flight of India's Geosynchronous Satellite Launch Vehicle Mark III (also called LVM3)...

Orion's Belt is an asterism in the constellation of Orion. Other names include the Belt of Orion, the Three Kings, and the Three Sisters. The belt consists...

Criticism of the Space Shuttle program stemmed from claims that NASA's Space Shuttle program failed to achieve its promised cost and utility goals, as...

Alam al-Din Ibn-Abidin al-Hanafi (Arabic: علم الدين تعاسيف; 1178 – 1251) was an Egyptian mathematician, astronomer and engineer during the Ayyubid period...

A space tug is a type of spacecraft used to transfer spaceborne cargo from one orbit to another orbit with different energy characteristics. The term can...

(33342) 1998 WT24 is a bright, sub-kilometer asteroid, classified as a near-Earth object and potentially hazardous asteroid (PHA) of the Aten group, located...

SOAR (Sub-Orbital Re-Usable Aircraft) was a planned partially reusable air-launched spaceplane launch system concept which would launch small satellites...

Lambda Leonis (λ Leonis, abbreviated Lam Leo, λ Leo), formally named Alterf /ælˈtərf/, is a star in the constellation of Leo. The star is bright enough...

Ismaël Boulliau (French: [buljo]; Latin: Ismaël Bullialdus; 28 September 1605 – 25 November 1694) was a 17th-century French astronomer, mathematician,...

Interorbital Systems (IOS) is an American space development company based in Mojave, California. It was established in 1996 by Roderick and Randa Milliron...

Reinhard Alfred Furrer (25 November 1940 – 9 September 1995) was a German physicist and astronaut. Furrer was born in Wörgl, Ostmark (now Austria). After...

The Space Launch Initiative (SLI) was a NASA and U.S. Department of Defense joint research and technology project to determine the requirements to meet...

(417634) 2006 XG1 provisional designation 2006 XG1, is a sub-kilometer asteroid, classified as near-Earth object and potentially hazardous asteroid of...

Andrew Collier Cameron FRSE is a British[not verified in body] astronomer specialising in the discovery and characterisation of exoplanets. He was a founding...