Dozens of NASA's missions to explore the cosmos could be in jeopardy under a budget proposal from the Trump administration.

Dozens of NASA's spaceflight missions that launched from Florida could be in jeopardy under a budget proposal from the Trump ...

The Axiom Space Ax-4 mission is set to liftoff this month in a new SpaceX Dragon spacecraft. Here's what we know.

Managing cryogenic fuels for the space sector remains a complex challenge, with boil-off – the natural evaporation of gas as ...

Astronauts Steven Smith and John Grunsfeld, appear as small figures in this wide-angle photograph from December 1999, taken ...

Maintaining the fuel at temperatures below –183°C is key: even small heat leaks in space can cause gases to boil off.

While one is preparing for another launch, two former NASA astronauts were inducted into the U.S. Astronaut Hall of Fame.

The price of putting payload in orbit remained stubbornly high. Following the Columbia space-shuttle disaster in 2003, NASA was forced to change tack. As Matthew Weinzierl and Brendan Rosseau explain ...