The extreme numbers of galaxies (200 billion to 2 trillion) and the number of stars within a typical galaxy (100 billion) would suggest a high probability that life of some form exists elsewhere. The extreme distances of space would suggest a low probability that any extraterrestrial life has visited here. Our own galaxy is 100,000 light-years across. The nearest solar system is over 4 light-years away. Achieving any significant percentage of the speed of light will require some extremely advanced technology. Also, keep in mind that once you accelerate to speed, you must decelerate and that takes time. Wormholes are a mathematical bi-product and may or may not exist let alone be created and utilized. I suspect there is a low probability that an advanced civilization would find that there is a compelling reason to expend the resources to visit here if they had the capability. Regarding advertising our existence, significant electromagnetic energy has only been transmitted from earth for about 50 years. Therefore, the signals have only reached out in a sphere of diameter 100 light-years. This isn’t very far. Also, there is the issue of decreasing signal to noise.

There have been a number of scify stories about starships or fleets of starships, traveling at sub-light speed, carrying massive numbers of human migrants to populate a new world and leaving a dieing Earth behind. The stories are of multi-generational searches for an Earth 2.0. Migration of our species to a new world would likely be a one way trip, regardless of travel speed. Pioneers of a new age. 👩*🚀🧑*🚀👽🤖

Given the huge number of planets out there, have to think life has found a way.

At some point I do think that people whether us or extra terrestials will find a way to travel at high speed.

Do think there is a possibility we have been visited by aliens who have either helped us or just watched us from above

Paragraph 1: Without a doubt!

Paragraph 2: Some theoretical physicists think it may be possible to exceed the speed of light. Even if we can't, that doesn't mean we are stuck here forever. With the damage already done, for the sake of our species I have hope for the future.

Paragraph 3: Your guess is as good as anyone's at this point.

Someone writing a "story" ?

Speculation on top of speculation , guess

Migrants you say...hmmmm

Why not

A person's , guess, will always inform their speculation, backwards logic

There is no place stated / there is no real law that anyone can't speculate on speculation. There is no punishment for conversational speculation. Passes the time very well, when one has time to pass. . Who cares about sticking with logic in bbs conversation?

all human creativity starts with a speculation of doing the previously impossible, taking a risk of something different. . if that is the worst of the human behaviors, bring it on!

The risk is that one might take a "trip to Abilene."

ifkyk

How do you think our ancestors ended up "out of Africa"?

No argument but every time you add a layer of speculation you multiply the odds

That, too, is speculation on top of speculation, guess.
But, what I would like to know is, are you jimbo or not

To be truthful I am really an extraterrestrial, just dropping in on occasion , can't tell you why, sometimes just for giggles we will let you guys see something you can't Id or have a logical explanation for . we place bets on how it will be spun out, the odds go up in a sequential bet on a bet

Oh what fun my friend and I had in our "UFO tree" looking for UFOs. Never saw one but the friendship stands almost 70 years later.