Iran and the United States held in-depth negotiations in Oman over Tehran's rapidly advancing nuclear program on Saturday, ...

President Donald Trump said Saturday that he doubts Russia's Vladimir Putin wants to end his war in Ukraine, expressing new ...

World leaders and rank-and-file Catholic faithful bade farewell to Pope Francis in a funeral Saturday that highlighted his concern for people on the peripheries and reflected his wish to be remembered ...

Plants that experience drought stress exhibit visible and invisible changes designed to conserve water and reduce harm. Plants may shed leaves to minimize water loss through transpiration, or close ...