Webb spots a bizarre exoplanet with a carbon-rich atmosphere orbiting a pulsar, defying theories of how planets form.

But in this case, the companion is officially considered an exoplanet, not a star. The International Astronomical Union ...

Scientists using NASA's James Webb Space Telescope have observed an entirely new type of exoplanet whose atmospheric ...

Two of NASA's giants of cosmic discovery, including a rover that launched from Florida, have been named among Time's best ...

Jupiter’s nights are anything but dark. Recent images from a fleet of NASA spacecraft and the James Webb Space Telescope ...

Scientists using NASA’s James Webb Space Telescope have observed an entirely new type of exoplanet whose atmospheric ...

A new discovery, made using the James Webb Space Telescope (JWST), may just be the weirdest exoplanet yet, possessing an ...

The interstellar comet 3I/ATLAS will make its closest approach to Earth on December 19, and will be visible with binoculars ...

Interstellar comet 3I/ATLAS makes its closest Earth approach on Dec. 19, offering astronomers a rare chance to study a visitor from beyond the solar system ...

New research reveals that these colossal worlds likely have highly turbulent, chaotic atmospheres, defying the typical image ...

The best JWST images reveal galaxies, nebulae, and cosmic structures in stunning infrared clarity. These James Webb photos ...