Comment on CNN asked Columbia University protest student leader about his comments. Hear his response

Radio astronomer Yvette Cendes shares images she captured from on board a flight from Denver to Boston showing aurora lighting up the night sky.

A series of solar flares and coronal mass ejections from the sun are creating dazzling auroras across the globe. Photographer Benjamin Williamson shares the vibrant pictures he captured in Maine.

As a solar storm hits Earth, the northern lights are appearing further south than usual. CNN's Abby Phillip and Bill Weir discuss with astrophysicist Hakeem Oluseyi.

Science educator Bill Nye breaks down the massive geomagnetic storm hitting Earth and its significance.

He was a loyalist willing to take a bullet for Donald Trump, but after a reversal, and jail time, former "fixer" Michael Cohen will testify against him.

Former White House Communications Director Anthony Scaramucci joins The Lead.