Just after 12 p.m., NASA conducted a kick-start bleed test during which some of the liquid hydrogen is used to cool the rocket’s four RS-25 engines, where temperatures drop to minus 423 degrees ...

NASA's initiatives to pioneer next-generation space technologies are also hit hard in the White House's budget proposal. If ...

The Eta Space team conducts a liquid hydrogen test at their facility. Eta Space's logo. Eta Space completes liquid hydrogen storage testing for transportation company ROCKLEDGE, FL, UNITED STATES, ...

Just as we were getting used to electric supercars, along comes what is said to be the world's first hydrogen hypercar. The ...

A SpaceX Starship upper stage exploded during ramp-up to an expected engine test firing at the company's Starbase facility on ...

"Filling of the Centaur upper stage liquid hydrogen tank has been completed. Topping mode is now underway to give us a rocket weighing 1.29 million pounds (587,000 kg) for launch.

"Filling of the Centaur upper stage liquid hydrogen tank has been completed. Topping mode is now underway to give us a rocket weighing 1.29 million pounds (587,000 kg) for launch.

"Filling of the Centaur upper stage liquid hydrogen tank has been completed. Topping mode is now underway to give us a rocket weighing 1.29 million pounds (587,000 kg) for launch.

"Filling of the Centaur upper stage liquid hydrogen tank has been completed. Topping mode is now underway to give us a rocket weighing 1.29 million pounds (587,000 kg) for launch.

"Filling of the Centaur upper stage liquid hydrogen tank has been completed. Topping mode is now underway to give us a rocket weighing 1.29 million pounds (587,000 kg) for launch.