A stunning blue and white spiral spotted in skies across Europe late Monday was created by frozen fuel tumbling from a SpaceX ...

MYSTERIOUS spirals thought to be frozen fuel from a SpaceX rocket have been spotted in the sky above Britain tonight. The ...

is repackaged from the backend of Space Shuttle Orbiters into a more traditional inline rocket stage. SLS upsized the Shuttle elements — the big fuel tanks are now longer, and there are more ...

Every drop of the hydrazine rocket fuel is worth more than its weight in gold ... is used in a new method for gauging the quantity of propellant in a satellite's fuel tank. The paper appeared in the ...

After lift-off, the rocket quickly burns through its fuel. Once the tanks are empty, they break away from the rest of the rocket and fall back to Earth. When the astronauts reach the ISS ...