The leading explanation for all of these mysteries is known as the giant impact hypothesis. According to this story, when the ...

In 2022, the Webb telescope detected unequivocal evidence of carbon dioxide in the atmosphere of a distant exoplanet called WASP-39b. But that detection was made indirectly, so the latest ...

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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 ...

NASA’s James Webb Telescope captured direct images of gas giants in HR 8799, revealing their carbon dioxide-rich atmospheres.

They also orbit near their stars, in many cases closer than Mercury is to the Sun. Our solar system, in contrast, appears to be different. “[Planetary scientists] have thought our solar system ...

Astronomers have captured direct images of exoplanets in a star system 130 light years away, providing clues on gas giant ...

Most of the long-period comets in the Solar System come from the outer Oort Cloud. The inner region is much more stable. It's ...

The James Webb Space Telescope (JWST) has achieved groundbreaking discoveries in the field of exoplanet studies.

Our solar system passed through a vast wave of gas and dust around 14 million years ago, dimming Earth’s view of the night sky. The wave may even have left traces in our planet’s geological ...