What do you guys think of UFO's?

[Ghieri]

The topic of UFO's has always fascinated me, yet the only evidence we
see is glimpses that only last a few seconds. Funny thing is, most UFO's
people see are circular saucers, and there is not many UFO's reported
where they are not in the shape of a flying saucer.

If by UFO you mean Alien spaceships, then no. Aliens aren't traveling from lightyears away to study this:

Spoiler below!

As for the phenomenon itself, several cases have been reported hoaxes, false alarms, and hysteria. There are also cases of government aircraft being reported as UFO's. Weather Balloons, kites, Ball lightning. There are some cases that haven't been explained. But that's it. They haven't been explained. I don't see why people draw conclusions from "Can't explain." We also can't explain dark energy, I guess Aliens did that too.

As you can tell, I am very cynical about things like this.