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

Curious about what planets look like through a telescope? This guide breaks down what you’ll see based on your telescope’s ...

A new mission concept that would see a fleet of telescopes probing rocky planets in their stars' habitable zones should be ...

A team of researchers used the James Webb Space Telescope to uncover new details about SIMP 0136, a free-floating planet in ...

Astronomers have confirmed the existence of four rocky planets orbiting Barnard’s Star, our nearest solitary stellar neighbor ...

For hundreds of years, telescopes have allowed us to map the stars and study the great mysteries of the cosmos. Astronomers ...

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 finally spotted evidence of auroras on Neptune after years of searching, raising new questions about the planet.

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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 ...

For the first time, the James Webb Space Telescope (JSWT) has revealed bright auroral activity on the planet Neptune. Capturing the auroral activity on the ice giant has been long in coming, even ...

An infrared image of the HR 8799 system. Image: NASA, ESA, CSA, STScI, W. Balmer (JHU), L. Pueyo (STScI), M. Perrin (STScI) NASA’s Webb Space Telescope has captured direct images of carbon ...