It's not yet known whether the hydrogen leak encountered Monday will impact the moonshot's eventual launch date.

NASA fueled its new moon rocket in one final make-or-break test Monday, with hopes of sending astronauts on a lunar ...

If the fueling test goes well, the Artemis II flight around the moon and back could take off as early as Feb. 8.

NASA has been forced to delay a critical fueling test for its Artemis 2 moon rocket due to unusually cold weather forecasted ...

Interstellar Technologies ZERO rocket engine test-fired at Hokkaido Spaceport in Taiki, Hokkaido. It is fueled by liquid ...

NASA tested a Space Launch System rocket RS-25 engine at the Stennis Space Center. Credit: NASA Stennis Space Center ...

NASA conducted a test of its newly redesigned RS-25 engine for future flights of the Space Launch System (SLS) rocket.

Russian scientists are testing a plasma rocket engine that uses electromagnetic fields instead of fuel combustion, ...

NASA's Artemis II wet dress rehearsal was halted due to a fuel line leak during preparations for a historic human flight ...

Rocket Lab Corporation stock stays volatile after a Neutron setback delays launch. Click here for this updated look at RKLB ...

Neutron is a class heavier than Rocket Lab's Electron rocket workhorse, which has seen a steady and consistent increase in ...