Deep-dive encyclopedia articles, educational explainers, and technical comparisons — the most comprehensive space technology library on the internet.
A busy day in space! While SpaceX adds more satellites to their internet network, NASA just made history with the first human mission to the moon in over 50 years.…
Today marks a historic moment as humanity prepares to return to the Moon for the first time in over 50 years! NASA's…
Spacecraft reentry is not about friction. That's the myth. When a vehicle slams into the atmosphere at 17,500 mph, the air ahead…
SpaceX Drone Ships: OCISLY, ASOG, and JRtI Explained You've seen the footage: a 47-meter Falcon 9 booster descends through a column of fire onto a tiny platform bobbing…
RS-25: The Space Shuttle Engine That Now Powers the SLS Moon Rocket The RS-25 is the most tested, most flown, most sophisticated…
Grid Fins: How These Simple Devices Steer a Falling Rocket You have probably seen them without knowing what they are. Those four…
How Does Thrust Vector Control (TVC) Steer a Rocket? Here is a question that sounds simple until you actually think about it:…
In January 2019, Elon Musk announced that SpaceX would build Starship — the largest rocket ever — out of stainless steel. The…
Spacecraft reentry is not about friction. When a vehicle slams into the atmosphere at 7.8 km/s (17,500 mph), the air ahead compresses…
What Is RP-1 Rocket Fuel? RP-1 stands for Rocket Propellant-1. It is a highly refined form of kerosene manufactured to the United…
Only one rocket engine in history has ever pulled off full-flow staged combustion in flight. SpaceX's Raptor. The concept sat on paper…
Specific Impulse: The "Miles Per Gallon" Rating for Rocket Engines Every car buyer checks fuel economy. Every rocket engineer checks specific impulse.…
A Falcon 9 booster flips around in space, reignites its engines three separate times, and lands itself on a floating platform in…
Thirty-three of these engines fire at once to lift the most powerful rocket ever built. They run at pressures no other flying…
A rocket turbopump spins at up to 40,000 RPM, generates more horsepower than a nuclear submarine's engine room, and fits on a…
When a Dragon capsule slams back into Earth's atmosphere at 28,000 km/h, the air in front of it hits 1,850°C. The only…
The Engine That Changed Everything Nine of these fire at once to lift a Falcon 9 off the pad. One of them…
Three exciting space launches today mark Tuesday, March 31, 2026 as a significant day for international space exploration. From India's human spaceflight…
Three exciting space launches today mark an action-packed Monday, with China testing a new reusable rocket and SpaceX flying two missions from…
Europe's space navigation future took a major step forward today with a successful rocket launch from New Zealand. The European Space Agency…
China successfully launched a mysterious Shiyan 33 satellite early this morning, marking the first of what promises to be another exciting day…
Space launches today bring us another Starlink mission as SpaceX prepares to expand its internet constellation with 25 new satellites. The space…
Germany's space ambitions take center stage today as space launches today feature Isar Aerospace's second attempt to prove their Spectrum rocket can…
Get ready for another busy night of space launches today as SpaceX prepares to expand their global internet network! Tonight brings us…
China is heading to space today with a mysterious mission aboard a reliable workhorse rocket. The space launches today schedule features just…
Explore the Space Launch Live article library — educational explainers about orbital mechanics, technology comparisons between launch vehicles, mission analysis for upcoming flights, how-it-works guides for rocket propulsion, space science deep-dives, industry news, viewing guides for launches near you, and historical deep-dives into the missions that defined spaceflight.
