Einstein explained that gravity affects each passing second. Clocks slow down where gravity grows stronger. Clocks speed up ...

If you’ve ever wanted to get a good look at what the surface of Mars looks like, NASA (and even Google) can quickly offer a view. But if you’ve wanted to get a better look at what the inside of Mars ...

Science fiction loves to take us to desolate alien worlds with low-gravity, and envision creatures evolved to those or humans ...

A map of Martian gravity looking down on the North Pole (center). White and red are areas of higher gravity; blue indicates areas of lower gravity. A map of Martian gravity looking down at the South ...

Dr. James O’Donoghue, a Japan-based planetary scientist, has made some incredible educational astronomy videos before. Including a video that showcases relative cosmic velocities to understand better ...

Ask someone on Earth for the time and they can give you an exact answer, thanks to our planet's intricate timekeeping system, ...

Two small planets might be sculpting an enormous dust ring around the star Fomalhaut, a mere 25 light-years away from Earth. But it’s not too likely that either planet is the notorious Fomalhaut b, ...

Your weight changes on other planets and moons due to different gravitational pulls. Weight is how much gravity pulls on you; mass (amount of matter) stays the same. Newton's Law of Gravitation ...