Pentagon officials said details were still being worked out, and experts doubted Mr. Trump’s threat of huge tariffs for ...

The U.S. Commerce Department said on Monday it has opened national security investigations into the import of drones and related components as well as polysilicon, a key component in solar panels and ...

To count wildlife more accurately, a University of Florida (UF) research team developed a new way using drones.

Ukraine's security agency says it has killed Russian agents suspected of assassinating a senior officer in Kyiv.

U.S. President Donald Trump repeatedly said during his campaign he would be able to end the war between Russia and Ukraine ...

For a second straight day, rain forecasts hampered the search Monday for people still missing after deadly floods pummeled Texas, as officials made plans to drain reservoirs in the search for victims ...