Monsignor Krzystof Charamsa urged the Catholic Church to change its stance on homosexuality.
The first speech to Congress by a pope is replete with calls for unity and kindness toward immigrants and refugees.
Pope Francis made history on Thursday when he spoke to a joint meeting of Congress.
Pope Francis continued his tour of Washington, D.C., on Wednesday.
The pontiff this week will visit New York City, Philadelphia and Washington.
Catholic women denied the right to enter the clergy are taking matters into their own hands.
Meanwhile, Israel debates its response to refugee crisis.
Alex Salinas, a 21-year-old Spanish transgender man, was denied his request to become his nephew's godfather by the Vatican's Congregation for the Doctrine of the Faith.
Ahead of his announced Holy Year of Mercy, the pope wrote about "the tragedy of abortion."
The Vatican says Jozef Wesolowski's death was due to "natural causes."
Benzi Gopstein, the leader of an extreme Right-wing group, was detained by Israeli police on Tuesday.
Józef Wesołowski is the highest-ranking Vatican official ever to face charges for sex abuse.
17,000 coloured condoms were used to depict the former leader of the Roman Catholic church
Israel, angered, calls the treaty "a hasty step (that) damages the prospects for advancing a peace agreement."
The pope puts it very plainly to leaders who might be laggards: It's time to face climate change.
In what Vatican officials are calling "a heinous act," the Italian magazine "L'Espresso" leaked a draft of the hotly anticipated papal encyclical on the environment.
The creation of the tribunal is the biggest step the Vatican ever has taken to hold bishops accountable.
The pontiff has agreed to sign a treaty recognizing the state of Palestine.
The agreement "aims to enhance the life and activities of the Catholic Church and its recognition at the judicial level."
"The threat exists. This is what has emerged from conversations with Italian and foreign colleagues."
"We are ready to bear witness to whom we are and what we do according to the words of Christ."