As yet, we have not made contact with any aliens.
No matter how often you ask, the only honest answer is that nobody has found ANY alien races so far, so nobody really knows anything about them for sure.
Yes. Some alien races have three heads.
Multiple nostrils would allow alien races to breathe better, so it is possible.
As yet, we have not made contact with any aliens.
Yes. Some alien races have three fingers on each hand.
Two pupils in the eye would be eerie,and perhaps some alien races have them.
It is not currently known whether there even are any alien races. There might be, but this has not been confirmed so far.
Answer: no Answer: It isn't currently known whether there even are any alien creatures.
Yes. Some alien races have two hearts.
Some alien races, if they exist, may have five arms.
From the data we have, we have not discovered any alien races.
It isn't currently known whether ANY alien creatures even exist.
Yes. Some alien races have multiple arms. But currently, it is unknown.
Yes. Some alien races have multiple heads. But currently, it is unknown.