Aurora on Neptune shine along the right side of the planet in Webb's IR images (right). Credit: NASA, ESA, CSA, STScI, Heidi Hammel (AURA), Henrik Melin (Northumbria University), Leigh Fletcher (University of Leicester), Stefanie Milam (NASA-GSFC) Earth isn’t the only...

One of the most mystifying planets to many of us are the hot Jupiters. These massive worlds have orbits smaller than Mercury’s and in some cases are so close to their stars that starlight is pushing mass off the planet or the planet is raising tides on the star....

The Universe sometimes likes to mock us. Such is the case with exoplanets. Once upon a time, researchers would sagely say, “Solar Systems like Tatooine, with twin stars, likely don’t exist.” The thing is, this was based on models that relied on limits created with...