Mercury and Venus are moon-free, Mars has two small moons, and Earth has just one. Meanwhile, Jupiter and Saturn have dozens, and Uranus and Neptune each have more than 10. Even though it’s ...

The New York Yankees have relied on unexpected arms this season to stabilize their bullpen after a rocky opening stretch. […] ...

Shootings have erupted nearly daily this week in the Gaza Strip in the vicinity of new hubs where desperate Palestinians are being directed to collect food. Witnesses say nearby Israeli troops have ...

Joe Skipper/Reuters By Kenneth Chang The latest flight of SpaceX’s Starship, the largest and most powerful rocket ever built, got all the way up to space, but not all the way back down to Earth.

Ninth test launch follows grounding of nearly two months Starship ... trajectory for Tuesday included a nearly full orbit around Earth for a controlled splashdown in the Indian Ocean to test ...

This makes the earthquake simulator capable of carrying the heaviest test structures in the world. The shake table can also accelerate to at least 1g–the amount of gravity we experience on Earth when ...