The Quipu superstructure is enormous, spanning 1.4 billion light years – and it could violate one of our fundamental assumptions about the universe ...

For decades, Pluto was celebrated as the ninth planet of our solar system. However, in 2006, the International Astronomical ...

Companies are developing technologies to use space advertising to display messages from low-earth orbit that will be visible ...

"In addition to our spacewalks, launches, and landings, we'll host more Twitch-exclusive streams like this one." ...

Welcome to Event Horizon, your weekly roundup of the best events in Minneapolis, St. Paul, and beyond.