Recent content by arturner29

We have to conclude that either (1) there was never even one other civilization - that wants to colonize the entire galaxy or (2) travel between stars is not impossible - extasolar objects like Oumuamua do it all the time, just hitch a ride on one of those going in the direction you want. These...

We see no aliens (from advanced technological civilizations) because: 1) They are here and we can't/haven't detected them because we don't recognize advanced alien technology. 2) They aren't here but they are out there and we haven't been able to detect them, either because we don't recognize...

This question is based on the assumption that intelligent alien civilations must be like us, with a desire to go out and 'colonize' the entire galaxy or universe with no concern for other life that might already be there, or could potentially arise. The fact that we don't see any of those...

Ok got it, you were just stating a fact, not reaching a conclusion. If you had said "The scientific method has not confirmed 'or denied' the existence of life on any of these planets", I wouldn't have responded. I've seen and read too many comments leaning towards earth as having the only life...

We will never know it does not exist, unless we look at every single planet in the universe and find nothing. All we can do, once we have to tools (we don't have them yet, and it won't be soon), is start looking at planets we know about, and eliminate them, life or not, one by one. If we...

We cannot yet confirm or deny any life on any exoplanet. We don't have the technology to do it. Why jump to conclusions before we know anything?