Following reports that Musk has overstayed his welcome in the president’s inner circle, Trump asks the billionaire to “go get” two stranded astronauts.

NASA astronauts Suni Williams and Butch Wilmore were able to remove a stuck radio communications unit on a record-setting spacewalk on Thursday (Jan. 30).

Scientists are racing to restore Clear Lake, California's largest freshwater lake, which has been struggling with algal ...