Questions & Answers about Die Information ist wertvoll.
Because Information is a feminine noun in German, so its definite article in the nominative singular is die.
A very useful pattern: many German nouns ending in -ion are feminine, for example:
- die Nation
- die Situation
- die Diskussion
- die Information
So when you learn a noun like Information, it is best to learn it together with its article: die Information.
It is in the nominative case because it is the subject of the sentence — the thing being described.
In Die Information ist wertvoll, the structure is:
- Die Information = the subject
- ist = the verb
- wertvoll = the description
So the noun phrase uses the nominative form: die Information.