So far, Earth is the only planet known to harbor life, much less intelligent varieties of it.
The only one that humans are currently aware of is Earth. No other planet in our own solar system has intelligent life, and there is no conclusive evidence as of yet that intelligent life exists elsewhere.
Nobody truly knows !... Our understanding of life and our planet - is limited by the knowledge we have of our immediate surroundings. There is presently no way of knowing if or whether there are other inhabited planets out there in the rest of the Universe - and whether that life is 'intelligent'.
Earth is the only planet which is known to harbour life.
Earth is the only planet with known life... so far.
Earth is the only planet known to support and have intellegent life.
The third planet from the sun has been proven to support life, but support intelligent life is yet to be determined. There is no criteria to determine intelligent life, but they think they are the smartest. DEA
It is the only place in the known universe that has been verified to contain intelligent life.
The only one that humans are currently aware of is Earth. No other planet in our own solar system has intelligent life, and there is no conclusive evidence as of yet that intelligent life exists elsewhere.
So far, mankind has not discovered any life on other planets, let alone intelligent life. There's barely any intelligent life on this planet!!!
No. There is no evidence of life on Mars, and certainly not intelligent life.
Nobody truly knows !... Our understanding of life and our planet - is limited by the knowledge we have of our immediate surroundings. There is presently no way of knowing if or whether there are other inhabited planets out there in the rest of the Universe - and whether that life is 'intelligent'.
Earth is the only planet which is known to harbour life.
Earth, we think. This is sometimes a point of dispute.
Yes, it is the only planet found so far.
Earth is the only planet with known life... so far.
No planet except the planet Earth is known to sustain life till date.
So far, Earth is the only planet we know of that has intelligent life.