Yes, but you can only go forawrd in time. Like in steins gate. That way, you can never have some weird paradox shit. Also, the butterfly effect exists. The mere fact of you existing can alter history a lot. Like running into your past self. Etc. Like, if you left the earth with a shuttle capable of reaching light speed. Time literally slows down for you, while the universe ages norrmally. If you stopped your ship. You probably wouldnt age a single day. IF you get back to earth. Youd find out that everyone you know is dead of old age. And its been years since you left
Heres some nice links for you to click on
https://futurism.com/time-travel-bend-timehttps://www.youtube.com/watch?v=ra3DlQTGe8Qhttps://www.youtube.com/watch?v=d3zTfXvYZ9s 
