In the future there will be power shortage. To deal with that, we have to use recyclable energy end we produce fuel with this recyclable energy. But why? Because we will have mars travel.
To pass an other part of the universe we have to open worm holes. There is no way to visit other planets. Because it will take very long time, if we want to go to these planets. In the future we need to escape from our solar system because suns power will end. A worm hole is a hole that if you pass it you will step on an other dimensional part of the universe.
We have endless life. Only die if we have accident. There will be flying cars. We can cure each kind of illnesses.
In the very very far future, intelligent creatures will be everywhere in the universe but universes energy will end or the universe will crash. Because expanding universe loses energy. If the big bang wasn't strong enough the universe come back together again and crash. To survive, creatures have to go to an other universe.