NASA’s James Webb telescope discovers 6 ‘rogue’ planets

NASA’s James Webb telescope has pushed the limits of astronomy since it launched in 2021, and recent images captured almost 1,000 light years away show what experts call ‘rogue’ planets. Heidi Petracek explains what that means, the Canadian innovation that helped with the discovery, and how it could explain an age-old mystery.

• James Webb telescope spots 6 rogue worlds, baffling scientists