Follow the New Horizons spacecraft as it makes its historic flyby of one of the furthest objects in the solar system. Follow as they plan and execute maneuvers to allow the spacecraft to target a Kuiper Belt object known as Ultima Thule.
Scientists try to determine the cause for the increasing megafire threat by exploring the physics of fire, how firestorms move and travel, and by analyzing aerial drone and satellite data to catch fires before they start.
Bioarchaeologists investigate a ninth-century mass grave in a rural English village. Will the remains unlock the mystery of the "Great Heathen Army," a legendary Viking fighting force that once invaded England?
Jupiter's gravitational force made it a wrecking ball as it barreled through the early solar system, but it also helped shape life on Earth as it brought comets laden with water and possibly the asteroid that put an end to the dinosaurs.