This is the 5798th most frequent Russian word.
публикуются
"Are published."
Here, 'публикуются' indicates that photographs are consistently uploaded and made available on the website.
Новые фотографии публикуются на сайте каждый час.
New photographs are published on the website every hour.
The word 'публикуются' here is used in the context of articles being regularly made available to the public by a magazine.
Статьи публикуются ежедневно в этом журнале.
Articles are published daily in this magazine.
In this sentence, 'публикуются' refers to scientific works being formally shared with the audience through reputed journals.