Watch how the Space Launch System rocket RS-25 undergoes a core stage engine test-fire. Credit: NASA's Stennis Space Center ...

The Space Launch System - first-ever launch was captured by several cameras at Kennedy Space Center Launch Complex 39B and on ...

More than $10 billion in funds are included in Trump’s tax and spending bill for NASA programs previously targeted by the ...

China has conducted two spacewalks from its Tiangong space station in as many months and is advancing on its lunar ...