Launch Vehicles & Propulsion

Space launch vehicles are designed to transport payloads such as satellites, spacecraft, and cargo into low-Earth orbit and beyond. These vehicles rely on propulsion systems that generate immense thrust to overcome Earth's gravitational pull and achieve the necessary velocity for orbital insertion or interplanetary travel. The propulsion systems used in launch vehicles typically employ chemical propellants, which undergo controlled combustion to produce high-temperature, high-pressure gases that are expelled through a nozzle, generating thrust. Common propellant combinations include liquid hydrogen and liquid oxygen (used in the Space Shuttle main engines), or solid propellants (used in some rocket boosters). Advanced propulsion technologies, such as ion engines and nuclear thermal rockets, are also being explored for future space exploration missions.

News & Analysis

Aug 14, 2026
York Space Systems cut its 2026 revenue forecast by a third in an announcement that led investors to slice 17% off its stock price after hours Aug. 13.
Aug 13, 2026
For Rocket Lab, defense is now most definitely not a side quest.
Aug 13, 2026
Blue Origin is turning to outside expertise to jump-start a ground communications and operations network, named Quartz.
Aug 13, 2026
As space domain awareness grows in importance, Astranis has introduced a new spacecraft to detect and assess objects in higher orbits.
Aug 13, 2026
CesiumAstro, a provider of advanced connectivity solutions for space and defense, has purchased Jariet Technologies, a fabless semiconductor provider for satellite communications
Aug 13, 2026
Intuitive Machines projects the launch of its first lunar communications relay satellite in the first quarter of next year, having previously forecast a 2026 mission.
Aug 12, 2026
Space company Virgin Galactic powered up systems on the initial Delta-class SpaceShip for the first time on Aug. 12.
Aug 12, 2026
Blue Origin’s revamp of Launch Complex-36 at Cape Canaveral SFS will turn the site into a dual-pad design that can support the company’s two planned New Glenn heavy-lift vehicle variants.