Searching For Signs Of Intelligent Life On Mars

Police are seen entering encampment at UCLA as pro-Palestinian protests disrupt colleges across the US. CNN's Nick Watt reports from the UCLA campus.

CNN's Nick Watt reports from the campus of UCLA, where police are staging in response to protests on campus in response to Israel's actions in Gaza.

CNN chief law enforcement and intelligence analyst John Miller breaks down new NYPD bodycam footage capturing officers carrying out an operation inside Hamilton Hall on Columbia University's campus.

Protests against the Vietnam war in the 1960s and against Apartheid in the 1980s had similar origins, but also some key differences from today's protests.

Rep. Lauren Boebert (R-CO) and GOP lawmakers were heckled by protesters at George Washington University, where they toured the pro-Palestinian encampment that still stands despite repeated calls from the university for its removal.

Sanam Vakil, Director of the Middle East Programme at Chatham House, talks to Christiane Amanpour about Iranian leaders' ambitions both in the region and at home.