The U.S. Air Force Research Laboratory's mission to study Earth's Van Allen radiation belts ended on May 31, after exceeding its original planned lifetime of one year in orbit.
Military forces have a long association with spaceflight, with modern rockets evolving from missiles developed during World War II. Today's armed forces rely on space-based assets for reconnaissance, weather tracking, communication, navigation and more. The U.S. Air Force regularly launches GPS and missile-defense tracking satellites, and operates two classified X-37B robotic space planes. Learn more about military satellites, space weapon, the Space Force and more here.
Related Topics: NASA
The U.S. Space Force has a new primer for activities beyond Earth orbit amid increased NASA and international interest in lunar activities.
Lockheed Martin has been awarded a $4.9 billion contract to build a triad of missile-warning satellites for the U.S. Space Force.
SpaceX successfully launched an advanced GPS satellite for the U.S. Space Force and nailed a rocket landing at sea on Thursday (June 17).
A SpaceX Falcon 9 rocket will launch a new GPS navigation satellite for the U.S. military today (June 17) and you can watch it live online.
A Minotaur 1 rocket blasted off from the Eastern Shore of Virginia Tuesday morning (June 15), heading to orbit with three secret spacecraft for the U.S. government's spy satellite agency.
Northrop Grumman is set to launch a Minotaur 1 rocket early Tuesday morning (June 15), and you can watch the action live online.
A Northrop Grumman rocket successfully launched a secretive Space Force satellite for "space domain awareness" on Sunday (June 13).
United Launch Alliance (ULA)'s next Atlas V launch will have to wait a little longer as the liftoff has been delayed, the company announced Friday (June 5).
The U.S. Air Force has launched a Rocket Cargo program to study the use of commercial spacecraft to ship supplies around the world.
A clip of a mysterious spherical object hovers over the horizon, in footage released by a filmmaker who produces UFO documentaries.
A United Launch Alliance Atlas V rocket launched a missile-warning satellite for the U.S. Space Force into orbit today (May 18), marking the first launch of the year for the company.
The United Launch Alliance (ULA) will launch an Atlas V rocket into space today (May 18), and you can watch the action live online.
United Launch Alliance scrubbed the launch of an Atlas V rocket today (May 17) due to an issue with the rocket's liquid oxygen system.
China conducted two launches of classified Yaogan satellites in the last week while much of the world waited to see where and when the Long March 5B would fall.
What conditions could lead to clashes in space? Is such a situation a given, or can conflicts be short-circuited ahead of time? Space.com asked experts for their thoughts.
The National Space Council will continue in a new form under the Biden White House with Vice President Kamala Harris at the helm.
A new U.S. spy satellite launched into space Monday afternoon (April 26) on the mightiest rocket built by the United Launch Alliance.
Space-based solar power won't be just a sci-fi dream forever, if things go according to the U.S. Air Force's plans.
The Defense Advanced Research Projects Agency (DARPA) has picked three big space companies for the first phase of a larger project to test nuclear propulsion above low Earth orbit by 2025.