Would you really age more slowly on a spaceship at close to light speed?

Simultaneity And Time Dilation

Staying grounded in space requires artificial gravity

If you flew to a star and back at the speed of light when you got back would you be older or younger than your twin sister who stayed on Earth?

Do we age faster in space? - Quora

Relativity

Why Does Time Slow Down In A Moving Vehicle? » Science ABC

Would the heart beat of an astronaut moving at high speed in a spacecraft appear to be faster or slower when observed from Earth? - Quora

Do Astronauts in Space Age Slower Than People on Earth?

Time travel is possible, but it's a one-way ticket – ScienceBorealis.ca Blog

If a spacecraft is traveling at the speed of light, would its passengers age? - Quora

If people on a spaceship speeding away from Earth age more slowly, then why, if we consider the spaceship stationary with Earth speeding away, couldn't it be that those on Earth are

If you go on a planet that moves slower will you age slower? - Quora