Harvard University was back in court Monday for a major hearing in its funding fight case against the Trump administration, a key step in a battle over restoring more than $2 billion in federal funding for research frozen by the White House this spring.

Harvard University is in federal court Monday to make the case that President Donald Trump’s administration illegally cut $2.6 billion from the storied college. It's a pivotal moment in the school's battle against the federal government.

Lawyers for Harvard will present oral arguments against the Trump administration’s research funding cuts at a federal courthouse in Boston on Monday morning. Here’s what you need to know.