Two decades ago, the International Astronomical Union—which defines and names celestial bodies—redefined the criteria for ...
As New Horizons passed Pluto in July 2015, did the dwarf planet alter the probe's trajectory? Douglas Kaupa Council Bluffs, Iowa Pluto did in fact both bend and accelerate the trajectory of New ...
NASA'S New Horizons Pluto probe is getting an early workout in the Jupiter system as it uses the gas giant's gravity for a 9,000-mph. boost in speed for the final leg of its journey. The probe will ...