Despite only being in effect for a single day, President Donald Trump’s proclamation barring Harvard's international students from entering the U.S. has had a serious, lasting negative impact, the university says.

Thousands of Harvard University alumni have signed on to a legal message of support for their alma mater, CNN has learned, an unprecedented effort to back the school as it challenges the Trump administration’s decision to halt more than $2.

If President Trump makes good on all his threats, Harvard may lose much of its influence and prestige. It could also become even harder to afford.

The Trump administration has also frozen or cut nearly $3 billion in federal funding, giving the reason of antisemitism at Harvard. The administration has claimed the university failed to protect Jewish students, particularly in the wake of the war in Gaza.

Experts and former officials said it was unusual for a cabinet secretary to try to influence the Treasury Department’s sanctions process to target a domestic entity.

Harvard researcher Kseniia Petrova, a Russian citizen, had been detained since February after Customs and Border Protection inspected her bags at at Boston's Logan Airport.

A judge released a Russian-born scientist and Harvard University researcher charged with smuggling frog embryos into the United States on bail Thursday.

In the months since it became a top target in the administration’s efforts to overhaul higher education, Harvard has activated an all-out media blitz to burnish its image.

Kseniia Petrova, a scientist and Harvard University researcher from Russia, was detained by immigration authorities and held in federal custody.

A judge in Massachusetts has ordered Harvard researcher Kseniia Petrova released from custody as she faces charges related to the alleged smuggling of frog embryos.

Universities are willing to sell at a discount, but not necessarily because of Trump’s attack on their finances.