Will interstellar travel ever be possible? Is this planet the only one we will ever have?

Will interstellar travel ever be possible? Is this planet the only one we will ever have?

No
Yes

Yes
Meaningless question because we don't "have" this planet, we just live on it.
In elaboration, interstellar travel is possible however all feasible forms of it involve timescales which very few if any people will find satisfactory, especially if they were asked to pay for it.
As to other planets, we have already proven that with decades old technology and some creativity we have already been able to send humans to another planet and bring them back alive. It isn't implausible at all that within the next couple centuries we could establish semi-permanent bases on the Moon or Mars. Space stations will always be easier, but if humans have proven anything it's that we don't shirk exploration just because it's difficult.

>Will interstellar travel ever be possible?

It will be possible but not for carbon based life. Artificial metallic life (AI nanobots) will experience this tho.

Is there anything in the works right now that can help us live long enough to make it to another solar system?

>Will interstellar travel ever be possible? Is this planet the only one we will ever have?

That depends entirely upon YOU, human.

Ayylmao pls gib tell us how 2 b gud

Interstellar travel IS possible, but because mass can not travel at the speed of light (as far as we know) it would be impossible to visit any habitable planets besides mars

1: make either a digital copy of our consciousness, or a brain-machine interface to put our head into an immortal body (which also sustains the brain somehow), or discover the sekrit to immortality

2: send out a shitload of drone ships to search galaxy

3: go to new planet, which is ideally the same as earth or more probably similar to earth but not as good

Incorrect.
Humans CAN travel at the speed of light, but the acceleration must be gradual.