Neptune was supposed to be the quiet, distant ice giant, a cold blue marble barely warmed by the Sun. Instead, the James Webb ...

At the left, an enhanced-color image of Neptune from the NASA/ESA Hubble Space Telescope. At the right, that image is combined with data from the NASA/ESA/CSA James Webb Space Telescope. The cyan ...

Longitudinal transition of LTT 9779 b from cloudy to cloud free. Credit: Nature Astronomy (2025). DOI: 10.1038/s41550-025-02488-9 A team of international researchers including Dr. Jake Taylor from the ...

Unlike the James Webb Space Telescope's views of other sub-Neptune exoplanets' atmospheres, its look at TOI-421 b was clear. Credit: NASA / ESA / CSA / Dani Player illustration A sweltering planet ...

At the left, an enhanced-color image of Neptune from NASA’s Hubble Space Telescope. At the right, that image is combined with data from NASA’s James Webb Space Telescope to show auroras, represented ...

A new study modeled the chemistry of TOI-270 d, an exoplanet between Earth and Neptune in size, finding evidence that it could be a giant rocky planet shrouded in a thick, hot atmosphere. TOI-270 d is ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new ...