

Aliens are inhabitants of other planets who keep coming to the planet Earth to conquer us and take our resources. Despite all of their powerful technology, aliens remain intergalactic vaginas who fail repeatedly at their task. After many, many attempts, all they've managed to do is just slaughter our cattle and kidnap and anally rape us, which admittedly is pretty horrible, but still falls much short of their imperialistic goals.
Aliens have visited the planet Earth from the very beginning. Many suspect that aliens helped build the pyramids in Egypt.

Crop circles
UFOs
Alien sightings
Predator
war of the worlds
Videos
Probes
Alien technology
Alien movies
District 9
Crazies:
http://www.youtube.com/user/gorilla199
unarius
Things that have foiled alien invasions:
1. Cargo hatches into deep space
2. Mud
3. Windows 95
4. Water
5. Shia LeBoef
6. Just being on Planet Earth
No one really knows why aliens keep trying to attack Earth, since they are so much more advanced than us and can easily replicate anything that we have, but it has been widely speculated that the reason is because they have seen our planet's unrelenting love for anime, which is horrible, and disgusts them and makes them want to blow up our planet or take all of our resources that we need to live.
Here is a basic rundown of the ways aliens have tried to kill us and how they have failed:
1. The Aliens Quadrilogy Trilogy:
Everything you need to know about killing Alien aliens: 1) Did Ripley escape? 2) Is there 20 minutes left in the movie?3) Is there a cargo hatch going into deep space? 3 fucking times 4) Explostions. 3 fucking times
In Alien, Ripley blows up her ship. In Aliens, Ripley blows up the settlement on the planet. Aliens 3 didn't count. Aliens Resurrection - they crash the ship into Earth.
2. Predator - The Universe's best hunters fooled by mud and a bow and arrow set made out of wood and tree vines.
3. Independence Day - Will Smith and Jeff Goldblum program a virus and fly into the mothership to upload it. Then, they fly back to Earth and the remaining US air forces take out the Las Vegas invader ufo. The invader ufo over the Congo and Taiwan were killed by throwing spears and lions at them until they exploded.
4. Signs - Not to be out done by a Jew and an African American, Mel Gibson fights off the invading alien army with a baseball bat. Aliens, come to Earth at night and invade farms. Unfortunately, their weakness, water, is not noticed until their full on invasion. That's right, they never once noticed that that dew that covers all the plants at night melts their skin.
5. Transflromers - Megatron foiled by LeBoef. He is the son of Indiana Jones though. He foiled those aliens too.
Cracked Talk on | Aliens
http://www.cracked.com/funny-2792-alien-encounters/
Alien 3 and 4 don't count. Its a two movie franchise.
Thanks for acknowleging that Alien 3 doesn't count