This finding provides compelling evidence that the giant planets in HR 8799 formed through core accretion, a process similar ...

Four small, newly discovered worlds are less than six light-years away from Earth, and their discovery reinforces a cautionary tale from planet hunting’s prehistory ...

The HR 8799 system, 130 light years from Earth, is only 30 million years old -- just a baby compared to our solar system's 4.6 billion years.

Webb’s latest discovery has opened a thrilling new chapter in exoplanet research by capturing the first-ever direct images of ...

NASA's James Webb Space Telescope was recently used to capture direct images of four Saturn-like exoplanets in a solar system 130 light-years away.

The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away that has long been a ...

New James Webb Space Telescope (JWST) images show the first carbon dioxide-containing planet discovered outside of Earth’s ...

For years, astronomers have searched the cosmos for planets capable of supporting life. Most efforts focus on the "habitable zone," the region around a star where a planet could have liquid water. But ...

NASA's Webb telescope has captured images of multiple planets in a nearby star system, confirming that Webb can infer exoplanet atmospheres' chemistry.

It's rare for any observatory to directly image a planet beyond our solar system, called an exoplanet, but the powerful James Webb Space Telescope has captured four of them in the stellar system HR ...

Studying young gas giant exoplanets' compositions and orbits could help us better understand how our own solar system's gas ...