thus, in a sense, we are all doomed. even if we stay away from black holes

A zero-gravity flight is a first step toward space travel.

The progress of the human race in understanding the universe has established a small corner of order in an increasingly disordered universe.

If you understand how the universe operates, you control it in a way.

So long as the Universe had a beginning, we could suppose it had a creator. But if the Universe is really completely self-contained, it would have neither beginning or end, it would simply be. What place then for a creator?

It's the gravity that shapes the large scale structure of the universe, even though it is the weakest of four categories of forces

Observations indicate that the universe is expanding at an ever increasing rate. It will expand forever, getting emptier and darker.