Webb has two decades ahead of it, but it's already captured some stunning images. Here are 35 of our favorites.

ESA/Hubble In a first for astronomers surveying the depths of space, carbon dioxide has been detected on an exoplanet – that is, a planet lying outside our solar system. Thanks to the coronagraph ...

A powerful new observatory is the best hope yet for finding the elusive Planet 9, a large planet that some scientists say is ...

MIT astronomers estimate a planet 140 light-years from Earth may disintegrate fully within the next 1 to 2 million years.

A planet 140 light-years from Earth is rapidly coming apart due to its close proximity to its star. The roasting planet is ...

The James Webb Space Telescope has pointed its infrared optics at the 'Crystal Ball Nebula' NGC 1514, a planetary nebula ...

When a planet's orbit brings it between Earth and a distant star, it's more than just a cosmic game of hide and seek. It's an ...

U.S. team of researchers detected signs of two chemicals in the planet's atmosphere long considered to be "biosignatures" ...

Get closer to our solar companions with the best telescopes for seeing planets, just in time for April's full moon and a stunning view of Mercury. Want to focus your stargazing on our cosmic ...

Astronomers have spotted a small rocky planet that orbits perilously close to its host star disintegrating as its surface is ...

Astronomers using NASA’s James Webb Space Telescope just gave a cosmic mystery a serious plot twist. The event in question—a ...

The discovery was made on a massive exoplanet known as K2-18b that for years has captivated scientists searching for life ...