Portside

'Some folks are born made to wave the flag. Ohh, they're red, white and blue.'

A full length exploration of the decades-long attempts to kill the leader of the Cuban Revolution, vividly portrayed through contemporaneous film footage.

DO NOT RESIST is an urgent look into the militarization of American police departments filmed over two years in 11 states.

Scanners show that canine brains respond to words like humans.

Thousands of veterans are traveling to Standing Rock to stop the Dakota Access Pipeline — and this man is leading them

How will Bernie Sanders go forward as a leader of the Democratic Party? NBC's Andrea Mitchell talks with former campaign manager Jeff Weaver.

We all have a sense of space and time, but evolution has not given us an intuition about just how vast they are compared to our direct experience.

Young musicians of the Banda Simfònica d'Algemesí light up a public square with a flash mob performance of Tchaikovsky's 1812 Overture on September 3, 2016.

Seth Meyers takes a closer look at President-Elect Donald Trump's foreign business ties, and the conflicts of interests they pose, and possible violations of the Constitution.

Arctic sea ice has not only been shrinking in surface area, it’s become younger and thinner. In this NASA animation, the ice cover almost looks gelatinous as it pulses through the seasons.