These rather small planets are a stone's throw from Earth in galactic terms, but were too small for previous instruments to ...

A quartet of small, rocky exoplanets likely circle Barnard's Star, around 6 billion light-years from Earth, putting them in ...

For decades, astronomers have classified exoplanets into neat categories: rocky Earth-like planets, gas giants like Jupiter, ...

Astronomers have confirmed the existence of four planets orbiting a star less than 6 light-years away with help from some of ...

These are young giant planets, so the carbon dioxide is definitely not coming from burping cows or a civilization burning ...

Four small, newly discovered worlds are less than six light-years away from Earth, and their discovery reinforces a ...

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.

A distant exoplanet discovered, named Enaiposha, is unlike anything found in our own solar system, similar to a "super-Venus" ...

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 ...