The 'hot Neptune' planet, named LTT 9779b, is so scorching that its atmosphere should have evaporated, according to ...

Using the James Webb Space Telescope (JWST), astronomers have characterized the atmosphere of a hot super-Neptune exoplanet designated WASP-166 b. As a result, they found that the atmosphere of ...

NASA discovers something on Neptune and Uranus: "There are more than 5000" The ice giants of the solar system have long been ...

Humanity’s first close-up images from Neptune came 34 years ago from NASA’s Voyager 2 spacecraft. The images shows bright cirrus clouds high in its atmosphere above most of its methane.

It took this image of Neptune and its moon Triton, one of 77 composite photographs that appeared in Otherworlds: Visions of our Solar System, before speeding towards interstellar space. Despite its ...

On the other hand, the presence of water and methane provide evidence of a more compact, over-saturated atmosphere. It speaks to long-running controversies in the literature over whether sub-Neptune’s ...

Feb. 2, 2024 — Astronomers have shown new atmospheric detail in a set of 15 exoplanets similar to Neptune. While none could support humanity, a better understanding of their behavior might help ...

That puts it in the category of “super-Earth” or “sub-Neptune.” Published this week in Nature, a new paper contains observations that show the exoplanet may sustain a gaseous atmosphere.