Interior Secretary Ryan Zinke

The former Trump Cabinet member failed to disclose details of his involvement in a Montana development project when questioned by ethics officials, an Inspector General's investigation has found.

The government is calling on a New York federal judge to dismiss lawsuits alleging the group was formed illegally. But animal rights advocates want a ruling.

The outgoing interior secretary wrote his resignation letter in thick red ink. Now critics are piling on for his handwriting and his policies.

President Trump is making personnel moves — naming an interim chief of staff and announcing his Interior secretary's resignation — while facing a dizzying number of investigations into his conduct.

Zinke suggests Arizona Rep. Raul Grijalva, who is in line to chair the House committee overseeing his agency, is a drunk. The ugly exchange comes ahead of likely hearings about Zinke's ethics issues.