New James Webb Space Telescope observations of the exoplanet WASP-43b reveal that the hot gas giant is tidally locked, meaning one side permanently faces its sun while the other always stares out into space.

Despite excitement last year, the James Webb Space Telescope probably hasn't detected life on a distant super-Earth exoplanet with life signs detected on potential ocean world K2-18 b likely premature.

Planets form in disks of dust and gas called protoplanetary disks that whirl around a central protostar during its final assembly. Although several dozens of such disks have been imaged, just two planets have been caught in the act of forming so far.

Astronomers using the James Webb telescope have modeled the weather on a distant exoplanet, revealing winds whipping around at speeds of 5,000 miles per hour.The Latest Tech News, Delivered to Your In

The James Webb Space Telescope has helped an international team of astronomers create a weather report for a distant exoplanet. The forecast calls for thick clouds with patches of uninterrupted sky and 5,