Nouns ending in -esse are feminine.
The suffix often marks an abstract quality.
Is presse masculine or feminine?
lapresse
The rule behind it
100% of -esse nouns are feminine
In context
La presse s'intéresse à sa vie privée.
The press is interested in his private life.
Les Français préfèrent internet à la presse écrite.
French people prefer the Internet to printed media.
L'entreprise a publié un communiqué de presse.
The company issued a press release.