PUNCH's main goal is to study how the Sun's corona transforms into solar wind, a stream of charged particles that flows ...

NASA’s PUNCH (Polarimeter to Unify the Corona and Heliosphere) mission is a groundbreaking space mission designed to study ...

"We are the first mission to be able to track space weather events in three dimensions routinely across the solar system." ...

But there’s one satellite that takes everything that the Sun dishes out and turns it into a near-constant stream of high-quality data, and it’s been doing it for almost 15 years now.

In 1960, in a milestone that would remain classified for more than three decades, the US Air Force, CIA, and private industry partners launched the world’s first photo-snapping satellite into orbit.