Earth and the Moon are forever locked in a gravitational embrace that has played a critical role in determining the fate of both worlds. Although they have grown more distant since their formative ...

Every time an astronaut returns from space, they experience a force four times their body weight. As they leave the microgravity of space and re-enter Earth’s atmosphere, their bodies witness ...

Did you know that moving a clock one inch toward the ground would result in a slower tick compared to the same clock positioned higher up? Gravity doesn't just pull things; it also bends time.