Politically, space exploration has not received sufficient funding since the end of the Space Race. Without adequate funding from the governments of the world humanity will likely not get far away from our home.
Technologically our fastest satellites carrying little to nothing only goes 1/15th the speed of light. With this speed it will take humanity 15,000 years to reach the nearest star. This time is 3 times the length of human civilization on the Earth.
Finally, you cannot travel through space faster than light, without bending time and space. So even if we had the technology to travel at near the speed of light it would still take 4