Boeing-built X-37B space plane lands after completing record 908-day orbital mission
Hours after the landing at 5:22 a.m. ET (2:22 a.m. PT), the Space Force declared the mission to be a success
NASA has a theory for why we might be alone in the Universe
The “Great Filter” theory
The number of times couples should be having sex per week
"Don't get lazy, it's backed by science"