President Donald Trump said Tuesday that Ukraine can win back all territory lost to Russia, a dramatic shift from the U.S.

American space agency NASA announced the completion of the Deep Space Optical Communications (DSOC) experiment, described as a success.

The sheer scale of this challenge led US scholar Lester Brown to ask in 1995, "Who will feed China?" He speculated that China ...

Members of a new commission set to review and offer long-term solutions to how Nebraska funds its 245 public school districts ...