Mike Brown is convinced that beyond Neptune, at the far reaches of our solar system, there's an unseen giant planet. "This is the 5th largest planet in our solar system, lurking out there, waiting to ...
The James Webb Space Telescope just zoomed in on the atmosphere of a planet discovered in 2020 -- and now we have the clearest data ever about an exoplanet. The awkwardly named Planet TOI-421b's ...
Planet TOI-421b lacks the haze of other exoplanets, which means we're able to get a surprisingly clear understanding of it. Tyler is a writer under CNET's home energy and utilities category. He came ...