QUANTICO, Va. — President Donald Trump on Tuesday proposed using American cities as training grounds for the armed forces, with U.S. military might being deployed against what he described as the ...

Amid a plan to lend $165 billion to Kyiv using Russian state assets, European officials are mindful of the possibility of blowback as they gather to discuss the idea. By Paul Sonne Reporting from ...

The method could one day become a treatment for infertility A decade of further research needed, scientists say The process overcomes an obstacle that stymied previous attempts Significant safety ...

Scientists have created human eggs containing genes from adult skin cells, a step that someday could help women who are infertile or gay couples have babies with their own genes but would also raise ...