The United States Space Force’s secretive X-37B space plane touched down to earth on Friday after spending 434 days in orbit conducting mysterious tests. The unmanned Boeing-made aircraft ...

The event, known as the "ring plane crossing," will begin on Sunday ... For those who miss this celestial event, NASA predicts that the phenomenon will occur again in 2038 and 2039.

The enigmatic space plane launched from NASA's Kennedy Space Center in December 2023. What exactly it did while circling the planet without a crew on board for the next 434 days, its seventh ...

You’ve Heard of the X-37B, Right? If you’ve ever followed spaceflight news, you’ve probably heard of the X-37B, the secretive ...