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The International Space Station (ISS) is a large space station assembled and maintained in low Earth orbit by a collaboration of five space agencies and...

The European Space Agency (ESA) is a 22-member intergovernmental body devoted to space exploration. With its headquarters in Paris and a staff of around...

Space debris (also known as space junk, space pollution, space waste, space trash, space garbage, or cosmic debris) are defunct human-made objects in space –...

The chronology of the universe describes the history and future of the universe according to Big Bang cosmology. Research published in 2015 estimates the...

New Shepard is a fully reusable sub-orbital launch vehicle developed for space tourism by Blue Origin. The vehicle is named after Alan Shepard, who became...

Virgin Galactic Holdings, Inc. is a British-American spaceflight company founded by Richard Branson and the Virgin Group conglomerate which retains an...

A reusable launch vehicle has parts that can be recovered and reflown, while carrying payloads from the surface to outer space. Rocket stages are the most...

This timeline of cosmological theories and discoveries is a chronological record of the development of humanity's understanding of the cosmos over the...

Airbus Defence and Space is a division of Airbus SE. Formed in 2014 in the restructuring of European Aeronautic Defence and Space (EADS), Airbus SE comprises...

Though no standard exists, numerous calendars and other timekeeping approaches have been proposed for the planet Mars. The most commonly seen in the scientific...

Trajectories of distant spacecraft from launch to 2030 Several space probes and the upper stages of their launch vehicles are leaving the Solar System...

The year 2024 is expected to exceed 2023's 223 orbital launches. So far, the year saw the successful first launch of Vulcan Centaur, Gravity-1, Ariane...

A Falcon 9 first-stage booster is a reusable rocket booster used on the Falcon 9 and Falcon Heavy orbital launch vehicles manufactured by SpaceX. The manufacture...

Soyuz TMA-1, also catalogued as Soyuz TM-35, was a 2002 Soyuz mission to the International Space Station (ISS) launched by a Soyuz FG launch vehicle with...

This is a list of known objects which occupy, have occupied, or are planned to occupy any of the five Lagrange points of two-body systems in space. L1...

Kepler-451 (also known as 2MASS J19383260+4603591 and abbreviated to 2M1938+4603) is an eclipsing post-common envelope binary star system that comprises...

SDSS J001820.5–093939.2 or SDSS J0018−0939 for short is a star system approximately 1000 light-years away near the constellation Cetus. SDSS J0018−0939...

STS-78 was the fifth dedicated Life and Microgravity Spacelab mission for the Space Shuttle program, flown partly in preparation for the International...

A gravitational-wave detector (used in a gravitational-wave observatory) is any device designed to measure tiny distortions of spacetime called gravitational...

A neutron star merger is the stellar collision of neutron stars. When two neutron stars fall into mutual orbit, they gradually spiral inward due to gravitational...