A scientific overview of climate change, its causes, effects, and consequences, based on empirical evidence and research.

Learn about the life and achievements of Bill Gates, from his childhood to co-founding Microsoft and becoming a philanthropic leader.

A documentary about the life and reign of Queen Elizabeth II, the longest-reigning British monarch in history.

Footage of a bearded astronaut walking on the Moon's dark side, holding a shiny sample container during a lunar mission.

Watch as the Caped Crusader trades in his grappling hook for a tennis racket in this fun and action-packed video.

Witness the cosmic collision between the Andromeda galaxy and the Milky Way, a predicted event 4.5 billion years in the future, simulated in stunning visuals.

Senator Bernie Sanders takes a break from campaigning to grab a quick bite at a fast food restaurant, giving a glimpse into his eating habits on the road.