Washington Post staff tried to separate what is happening from what is not, and to explain what may happen in the future.

I N THE LATE 1980s Edward Teller, the father of the hydrogen bomb, and Lowell Wood, an astrophysicist, proposed a seemingly ...

Instead, Trump’s order demands the deployment of “space-based interceptors” — a web of satellites, some equipped with lasers. It then calls for the development of another layer of lower-altitude ...

Instead, Trump’s order demands the deployment of “space-based interceptors” — a web of satellites, some equipped with lasers. It then calls for the development of another layer of lower-altitude ...

Elon Musk took to X to state President Trump has asked for the quick return of two NASA astronauts who flew to space in June.

Such defense systems are extremely costly” with “their effectiveness often being questionable,” one expert said.

President Donald Trump signed an executive order to initiate the construction of the "Iron Dome" missile defense system in ...

President Donald Trump has signed an executive order directing Defense Secretary Pete Hegseth to revise the Pentagon’s policy ...

When Donald Trump was inaugurated in 2017, opponents marched in pink knitted “pussy hats” while protesters abroad plastered ...

Oil futures tallied their first weekly loss in five weeks on Friday as recent comments from President Donald Trump suggested he would pressure major oil producers to boost crude output.

The removal of a portrait of Gen. Mark A. Milley, the former chairman of the Joint Chiefs of Staff, from a Pentagon hallway ...

When Donald Trump once again became president, he sought to undo a recent agreement between federal and state water managers and reinstate his previous policies.