What do you think will end humanity?

[Obelisk]

Most likely? Discuss.

[Haiku's Knife]

I know people will scoff at this, but I will say something like a meteor strike.

Reason being that it's hard to kill of 100% of all humans without something extremely catastrophic and total.

A virus will never kill everyone; some people will be naturally resistant.

Nuclear war can't kill everyone because only urban centers would be bombed and only a few of them.

Mass starvation is the most dangerous, but increasing scarcity would prompt a world war over resources, which would then bring about massive amounts of death, but would also alleviate that scarcity and benefit the survivors.

Can't really think of anything else at the moment.

[Obelisk]

Thanos

[Krypto]

Originally posted by Wormtail:

Thanos

Marvel ain't real life.

[Obelisk]

Originally posted by Krypto:

Originally posted by Wormtail:

Thanos

Marvel ain't real life.

Yeah, I know. I'm joking. If there were aliens with better technology and wanted our planet maybe.

[Krypto]

Originally posted by Wormtail:

Originally posted by Krypto:

Marvel ain't real life.

Yeah, I know. I'm joking. If there were aliens with better technology and wanted our planet maybe.

I think the most likely scenario is that other alien civilizations have no idea we exist or know we do but don't think we're important enough to ever invade when other planets are out there with the same resources but might not have any resistance to obtain them.

But considering the expansion of the universe, they probably have no idea we're here or that Earth is even a planet.

[Haiku's Knife]

Originally posted by Krypto:

Originally posted by Wormtail:

Yeah, I know. I'm joking. If there were aliens with better technology and wanted our planet maybe.

I think the most likely scenario is that other alien civilizations have no idea we exist or know we do but don't think we're important enough to ever invade when other planets are out there with the same resources but might not have any resistance to obtain them.

But considering the expansion of the universe, they probably have no idea we're here or that Earth is even a planet.

Why do you discount the idea that aliens don't know or haven't visited us?

[Krypto]

Originally posted by Haiku in the Shade:

Originally posted by Krypto:

I think the most likely scenario is that other alien civilizations have no idea we exist or know we do but don't think we're important enough to ever invade when other planets are out there with the same resources but might not have any resistance to obtain them.

But considering the expansion of the universe, they probably have no idea we're here or that Earth is even a planet.

Why do you discount the idea that aliens don't know or haven't visited us?

The universe as we know it is unfathomably huge and if you consider conventional space travel, it would take hundreds of thousands of years to reach other life-bearing planets.

I also seriously doubt something like "FTL" travel actually exists outside of pure science fiction goodness.

But I'd love to be proven wrong.

[Battlekruse]

Maybe something from outer space or the sun, like supernova explosion, gamma ray radiation or solar flare or sun burst.

Or maybe something as simple supervolcanic eruption,or asteroid impact.

It has happened before and it will happen again.

[TGC> The Games Collector]

Humans.

[Krypto]

Originally posted by Battlekruse:

Maybe something from outer space or the sun, like supernova explosion, gamma ray radiation or solar flare or sun burst.

Or maybe something as simple supervolcanic eruption,or asteroid impact.

It has happened before and it will happen again.

The Ordovician period gamma ray burst.

At least if that does happen again, you'd never know cause you'd be instantly turned into dust.

[AdahnGorion]

I think either a local gamma-ray burst

or

a deoxygenation event

[Χάρης]

Originally posted by Wormtail:

Most likely? Discuss.

Stupidity.

[Pocahawtness]

We will.
Either directly, by causing our own extinction, or indirectly by failing to stop our extinction when we could have done.

[Haiku's Knife]

Originally posted by Krypto:

Originally posted by Haiku in the Shade:

Why do you discount the idea that aliens don't know or haven't visited us?

The universe as we know it is unfathomably huge and if you consider conventional space travel, it would take hundreds of thousands of years to reach other life-bearing planets.

I also seriously doubt something like "FTL" travel actually exists outside of pure science fiction goodness.

But I'd love to be proven wrong.

The universe is also extremely old and its size only increases the chances of their being other life. There's already been government officials like Paul Hellyer that have openly stated that aliens exist and have interacted with humans and there are some abduction stories that haven't been able to be discounted. I'd look into the subject more if you're open minded.

[RSebire]

Zombie Cells as recently discovered in humans.
Zombie Cells are real scary.