“Saturday Night Live” star Pete Davidson is going to “space” on board Blue Origin’s New Shepard rocket later this month — depending on what your definition of space is, that is. The Jeff Bezos-led ...

Gen. Chance Saltzman, chief of space operations for the Space Force, said he wants a commercial space strategy for the service to be less aspirational and more actionable. Credit: SpaceNews/Jeff Foust ...

Space Force Turns Five - Celebrating the 5th Birthday of the US Space Force. In just five years after its creation, the Air Force had already proven the decisiveness of air dominance by demonstrating ...

The U.S. Space Force unveiled its foundational doctrine, “Spacepower,” on Aug. 10, the product of nearly a year’s effort to define how the nation’s newest military service will defend U.S. interests ...

Air Force Gen. John Hyten, U.S. Strategic Command commander, speaks Sept. 19 at the Air Force Association's Air, Space and Cyber Conference in National Harbor, Maryland. Credit: U.S. Air Force ...

The official definition of a “planet” could be set to change again soon. Last time that happened, Pluto was kicked out of the club, but the new proposed definition is designed to be more inclusive.

Three astronomers last week proposed expanding the official definition of a planet to encompass worlds orbiting stars other than our own, a nuance not currently included in the formal definition of ...