The Ariane 6 program appears to be on time and has received some financial support from the European Space Agency.
FAA moves a step closer to automating the monitoring of space-launch-and-reentry vehicles in real time as they transition the national airspace system.
The TQ-12 engine is ultimately intended to become reusable, which was one reason for the choice of clean-burning methane fuel.
New detail emerges about SpaceX’s "giant party balloon" upper-stage recovery studies.
Scientists still stumped by cause of gas release and why it vanishes exponentially faster than models predict.
Forty-two years after Viking landers looked for organics, Curiosity found them, setting the stage for a focused search for signs of life.
Jeff Bezos is reviving a vision of Gerard O’Neill’s free-flying colonies
For Blue Origin, the first step is to cut launch costs with reusable rockets and capsules.