An ancient rocky world so close to its star that its surface is largely molten should have been stripped bare of gas long ago. Instead, new observations reveal that this ultra-hot planet has somehow ...
This artist’s concept shows the volatile red dwarf star TRAPPIST-1 and its four most closely orbiting planets, all of which have been observed by NASA’s James Webb Space Telescope (JWST). JWST has yet ...
Astronomers using NASA’s James Webb Space Telescope have produced the first three-dimensional map of Uranus’ ionosphere, revealing temperature shifts and cooling patterns that challenge existing ...
When astronomers search for planets that could host liquid water on their surface, they start by looking at a star’s habitable zone. Water is a key ingredient for life, and on a planet too close to ...
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