Watch how a single engine on the flight 7 SpaceX Starship was test fired to simulate an in-space burn. Credit: Space.com | ...

As the World War II bomber Heaven Can Wait was hit by enemy fire off the Pacific island of New Guinea on March 11, 1944, the ...

"It's been an impossible journey — just should never have been able to get to this day. And here we are, 81 years later." ...