The Earth is tilted on its axis by 23.5° relative to its orbital plane, which is what causes the seasons. Simply put, different parts of the Earth receive varying amounts of sunlight throughout ...

Natural cycles in Earth's rotational axis and its orbit around the sun drive climatic changes, and now researchers have ...

The X-37B spacecraft’s latest mission was shorter than the last but tried several new maneuvers and approaches during its ...

The United States Space Force’s secretive X-37B space plane touched down to earth on ... its test and experimentation objectives across orbital regimes." Gen. Chance Saltzman, chief of space ...