Children in backseats cause accidents. Accidents in backseats cause children.

Time travel may be possible, but it is not practical.

We only have to look at ourselves to see how intelligent life might develop into something we wouldnt want to meet. I imagine they might exist in massive ships, having used up all the resources from their home planet. Such advanced aliens would perhaps become nomads, looking to conquer and colonize whatever planets they can reach.

If it [the universe] was expanding fairly slowly, the force of gravity would cause it eventually to stop expanding and then to start contracting. However, if it was expanding at more than a certain critical rate, gravity would never be strong enough to stop it, and the universe would continue to expand forever.

What was God doing before the divine creation? Was he preparing hell for people who asked such questions?

We've created life in our own image.

The universe is governed by science. But science tells us that we can't solve the equations, directly in the abstract.