NPR's Christopher Joyce reports that scientists working in an Ethiopian desert have uncovered a small boxful of bone fragments and teeth that they say may be the oldest human ancestor.
The latest on the deadly floods in Texas, foreign policy dominates President Trump's week, Supreme Court allows Trump to resume mass federal layoffs for now.
The Trump administration can move ahead, for now, with plans to lay off hundreds of thousands of federal workers following a U.S. Supreme Court decision on Tuesday.