research lab vs science lab

research lab and science lab both are nouns.

Word	Noun	Adjective	Verb	Adverb
research lab	Yes	No	No	No
science lab	Yes	No	No	No

As nouns, research lab and science lab are synonyms defined as:

research lab and science lab: a workplace for the conduct of scientific research

Other synonyms of research lab include lab, laboratory, research laboratory, science laboratory.

research lab (noun)	science lab (noun)
a workplace for the conduct of scientific research	a workplace for the conduct of scientific research