Time on Mars does not match time on Earth, and the difference is no longer a thought experiment. Precision calculations now show that clocks on the red planet tick measurably faster, confirming a ...

NASA has selected two science instruments designed for astronauts to deploy on the surface of the Moon during the Artemis IV ...

On Earth, knowing the time feels simple. Your phone pings the same second as a GPS satellite and an atomic clock in a lab.

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

"A three-body problem is extremely complicated. Now we're dealing with four: the sun, Earth, the moon and Mars. The heavy ...

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

His research focuses on how subsurface oceans interact with the overlying ice crusts of moons such as Enceladus, one of ...