How long has space been around?

Answer 1

its believed that the big bang created the first mass in space about 13.7 billion years ago. but it is also believed that space itself and the universe may always have been here.

Answer 2

Space has existed for around 13.8 billion years, ever since the Big Bang that marked the beginning of the universe. The concept of space itself, as the vast expanse where galaxies, stars, planets, and other celestial objects are located, has been fundamental to the existence of the universe from its earliest moments.