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

New NASA Hubble Space Telescope images of the distant planet Neptune show a dynamic atmosphere and capture the fleeting orbits of its satellites. The images have been assembled into a time-lapse movie ...

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 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 ...

A team led by an astronomer from the University of Kansas has crunched data from NASA’s TESS and Spitzer space telescopes to portray for the first time the atmosphere of a highly unusual kind of ...

Despite being part of our own solar system, Neptune has long been a cosmic mystery. It's the most distant planet from the Sun and also one of the least explored. Only one spacecraft—Voyager 2—has ever ...

But Webb's observations didn't just provide new pretty pictures of the ice giant planet's greenish-blue splotches. It revealed how odd Neptune's auroras are compared to other planets', glowing over ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...

There aren't a lot of Hot Neptunes in the galaxy, and it's not entirely clear why. A Hot Neptune is, as the name implies, a Neptune-sized planet orbiting within 1 AU of its host star. While we've ...