Neptune’s mid-latitude clouds began fading in 2019 and have not recovered, according to nearly three decades of observations from the Hubble Space Telescope and ground-based observatories. By 2020, ...

The James Webb Space Telescope has detected water vapor and thick clouds on LTT 9779 b, an ultra-hot Neptune locked in a blistering 19-hour orbit. When you purchase through links on our site, we may ...

The eighth and most distant planet from the sun, Neptune, reaches opposition with the sun on Sept.23, when it will be in its best position for viewing for the year. Neptune is too faint to see with ...

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 ...

Skywatchers have a rare opportunity to witness a rare six-planet alignment on February 28, 2026. Mercury, Venus, Neptune, ...

Astrophysicists have once again enriched our knowledge of the cosmos with a new discovery: two small planets orbiting TOI-1453. Located at around 250 light years from Earth in the Draco constellation, ...