Then-President Joe Biden ordered flags be flown at half-staff for 30 days following the death of former President Jimmy ...

Flags across Arizona and the U.S. have been flying at half-staff for nearly a month, but they will soon return to full-staff.

Flags have flown at half-staff for nearly 30 days following former president Jimmy Carter's death. Here is when flags return ...

Experts told Newsweek about the difficulties of reaching Mars as the United States faces complex challenges in space policy.