The Moon is getting 1½ inches (3.8 centimeters) farther away from the Earth every year. Scientists measure the distance to ...

Gravity and motion make time pass faster on Mars than Earth, reshaping navigation, communication, and future crewed missions.

Explore the physics of gravitational force acting on the Apollo 13 spacecraft during its historic mission. This video delves ...

European scientists are turning an aircraft into a laboratory that simulates lunar gravity to prepare astronauts and ...

King Tides, formally known as Perigean-Spring Tides, are exceptionally high tides. These usually occur about three times a ...

These images mark an early milestone in the mission, confirming that OSIRIS-APEX is healthy and on course for its 2029 ...

Conventionally, the moon is thought to have formed during one big impact, but a three-impact model might make more sense ...

The most distant moon since March 2020 takes to the sky today, but you won't be able to see it.

In one particularly weird document, titled Negative Mass Propulsion, the authors propose nuking the Moon, as well as building ...

Discover which planet is the fastest in the solar system. Learn why Mercury moves at 47 km/s, has the shortest year, and ...

Small icy moons may have hidden oceans that briefly boil under thick ice. Changing pressure inside these moons shapes their ...

The tidal forces produced by a tiny black hole would have an interesting effect on human bodies.