How to Say "to research" in Spanish
The most common Spanish word for “to research” is “informar” — use 'informar' when you need to find out or be told information about a topic, especially for making a decision or staying updated..
informar
in-for-MAR/in.forˈmaɾ/

Examples
Antes de votar, debes informarte bien sobre los candidatos.
Before voting, you must get well informed about the candidates.
Me informo de las noticias cada mañana.
I find out about the news every morning.
¿Dónde podemos informarnos sobre el proceso de visa?
Where can we find out about the visa process?
The 'Self-Action' Verb
The 'se' at the end turns 'informar' into a reflexive verb ('informarse'). This means the person doing the action is also the one receiving it—you are informing yourself.
Pronominal Use
Remember to use the correct reflexive pronoun (me, te, se, nos, os, se) before the conjugated verb: 'Yo me informo', 'Tú te informas', etc.
Forgetting the Reflexive Pronoun
Mistake: “Yo informo de las noticias.”
Correction: Yo *me* informo de las noticias. (If you mean 'I find out/get informed,' you must include 'me'.)
investigar
/in-bes-ti-GAR//in.bes.tiˈɣaɾ/

Examples
Los científicos están investigando la cura para esa enfermedad.
The scientists are researching the cure for that disease.
Mi tesis requiere que investigue fuentes históricas muy antiguas.
My thesis requires me to research very old historical sources.
Using 'Sobre'
When talking about the subject of your research, you often use the preposition 'sobre' (about/on): 'Investigó sobre el impacto del clima' (He researched on the impact of the climate).
Confusing Research and Study
Mistake: “Estudio la cura. (I study the cure.)”
Correction: Investigo la cura. (I research the cure.) 'Estudiar' is usually for personal learning; 'investigar' is for seeking new public knowledge.
Informar vs. Investigar
Related Translations
Learn Spanish with Inklingo
Interactive stories, personalized learning, and more.

