Actually, depending on how the word is used, either can be correct.
"The heavens opened up and it rained for 3 days."
"I hope I get to see St. Peter when I arrive at Heaven's gate."
Both are grammatically correct.
The "sientific" name for the heavens would be... that there is no heavens.
there are seven heavens on the seventh there are the prophets, companions of them etc.
Heavens - band - was created in 2006.
Heavens - band - ended in 2008.
Heavens to Betsy ended in 1994.
Stream from the Heavens was created in 1994.
Beware the Heavens was created in 1999.
Below the Heavens was created in 2006.
The Mirrored Heavens was created in 2008.
"From the heavens" is a prepositional phrase that does not contain a verb. It describes the origin or location of something.
1. toward the heavens 2. much of the heavens 3. next to the heavens
"Heavens to Murgatroyd!"- Snagglepuss .