The national park would retain just 0.02 percent of its tree habitat if no climate change action is taken.

A small gesture of solidarity by students led to a national movement with far-reaching impact.

How activist icon Angela Davis continues to challenge us today.

Sixteen civil rights activists — all UCLA alumni — challenged segregation in the South in 1961 as Freedom Riders.

UCLA social scientists find that marching in unison makes men feel more formidable.