Rocket launches can create eerie patterns in the sky, from undulating bright-blue spirals to glowing “jellyfish” blobs.

NTP engines use a nuclear reactor to heat hydrogen to ultra-high temperatures and then expel the heated hydrogen through a nozzle, which generates thrust and moves the rocket through space more ...

British startup Pulsar Fusion has unveiled Sunbird, a space rocket concept designed to meet spacecraft in orbit, attach to ...

Plenty more launches are to come, including another test of SpaceX’s massive Starship rocket, which exploded while in flight ...

The Space Launch System (SLS) core stage and rocket boosters have now been stood up and mated in preparation for NASA's ...

The two companies will join three others selected last summer, including SpaceX, United Launch Alliance and Blue Origin.

SpaceX is gearing up for the ninth flight test of its mighty Starship rocket, and it's going to try something new.

So, the upper stage of the Falcon 9 rocket begins spinning, flinging its fuel into space as it continues moving, creating the swelling spiral shape in the sky. It’s a phenomenon McDowell ...