Questions & Answers about Die navorsing is belangrik.
No. Afrikaans does not have grammatical gender in the way Dutch or German do.
That means you do not need separate forms like masculine/feminine/neuter articles. In normal usage, die works as the definite article regardless of gender.
That makes sentences like Die navorsing is belangrik much easier for English speakers: you do not have to memorize noun gender before choosing the article.