This is an irregular verb. It follows the conjugation pattern of the verb buscar.
PresentPresente
La revista publica un número cada mes.
The magazine publishes an issue every month.
PreteritePretérito indefinido
La autora publicó su primera novela en 2020.
The author published her first novel in 2020.
FutureFuturo
El periódico publicará la entrevista el lunes.
The newspaper will publish the interview on Monday.