The Falcon 9 took off from Vandenberg Space Force Base, California, at 7:12 am PDT (10:12 am EDT; 14:12 UTC) and headed south ...

The 21 spacecraft could start providing operational capability to combatant commands and other users within four to six ...

DARC is designed to track multiple small moving objects in geosynchronous orbit — all around the globe, 24 hours a day.

The Space Force announced a contract Monday for the second installment of its missile warning and tracking constellation in medium Earth orbit. (Millennium Space Systems) The Space Force has selected ...

As companies such as SpaceX, Firefly Aerospace and Axiom Space show, the United States has the world’s most vibrant commercial space sector. These companies have proved that market forces, and the ...

A SpaceX Falcon 9 rocket on Sept. 10 launched 21 satellites to low Earth orbit for the U.S. Space Force’s Space Development ...

As global missile threats grow in complexity and volume, Lockheed Martin is developing and delivering advanced missile ...

China launches new set of Yaogan-40 satellites into polar orbit China added a third trio of spacecraft to a group of remote ...

Two BeiDou-3 satellites, once plagued by puzzling orbit errors, are now operating with newfound precision thanks to a breakthrough modeling strategy. Researchers discovered that standard models ...