What is a moonbow, and what does it take to get a picture of one? And do rare events in the night sky lose their appeal after you've seen a bunch of them? Dean chats with Jeff Pfaller, astro-photographer and author of "Dark Skies: Rare Phenomena in America’s Public Lands" to learn more.

Supreme Leader, Mojtaba Khamenei succeeded his father, Ayatollah Ali Khamenei, who was killed by a U.S. attack at the beginning of the conflict.

Six-time USA Memory champion Nelson Dellis has memorized hundreds of Pi digits.

A documentary up for an Academy Award on Sunday night shines a different light on the epidemic of school shootings in America.

The White House and Pentagon are promising intensified strikes on Iran over the next week.

Prior to the 1979 revolution, the Iranian singer and actor was a pop superstar. But she was jailed by the Islamic Republic and forced to agree to never sing or perform in public.

Meanwhile, the Senate overwhelmingly passed a bipartisan housing bill on Thursday aimed at boosting the construction of affordable homes, but it faces hurdles in the House.

Does a scientific approach really give you a better chance than someone just picking their favorite mascots?

The U.S. says it will launch its heaviest wave of strikes yet inside Iran, as the Pentagon confirms four American airmen were killed when a refueling plane crashed in Iraq, bringing the number of U.S. service members killed in the conflict to at least 11.

The FBI is investigating two attacks that happened on U.S. soil on Thursday, one at Old Dominion University in Virginia and another at a synagogue outside of Detroit.