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New Horizons is an interplanetary space probe launched as a part of NASA's New Frontiers program. Engineered by the Johns Hopkins University Applied Physics...

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

Draco is a constellation in the far northern sky. Its name is Latin for dragon. It was one of the 48 constellations listed by the 2nd century Greek astronomer...

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 or the Belt of Orion, also known as the Three Kings or Three Sisters, is an asterism in the constellation Orion. It consists of three bright...

Alpha Comae Berenices (α Comae Berenices, abbreviated Alpha Com, α Com) is a binary star in the constellation of Coma Berenices (Berenice's Hair), 17.8...

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...

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

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...

SOAR (Sub-Orbital Re-Usable Aircraft) was a partially reusable air-launched spaceplane launch system concept designed to launch small satellites on a suborbital...

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...

Interorbital Systems (IOS) is an American company based in Mojave, California, that specializes in the manufacturing of rockets and satellites. It was...

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

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

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...