1.   Although the claim was almost immediately recanted, UFO buffs continue to believe the incident marked the first evidence that aliens have visited Earth.

2.   He welcomes a new call by a distinguished group of scientists for more research on whether space aliens have ever visited earth.

3.   Hopkins cautiously interviews a Florida family that thinks it has been visited by aliens.

4.   More than half believe extraterrestrial aliens have visited Earth or might have.

5.   Now it looks like a cow visited by aliens.

6.   This led many people to believe for decades that they had solid evidence that the planet had been visited by aliens from space.