Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

The object, known as 2002 XV93, is a minor planet and a Trans Neptunian Object (TNO).

A small, icy world orbiting beyond Neptune has no business holding onto an atmosphere. It is too small, too cold, and too far from the sun. Yet observations published in May 2026 in Nature Astronomy ...

Astronomers have characterized the atmosphere of a young (20 Myr old) transiting exoplanet and found it to be unusually clear and puffy. By analyzing the planet's atmospheric features, they were able ...

WASHINGTON (Reuters) - Frigid and far-flung Neptune, our solar system's outermost planet, is adding to its reputation as an enigmatic world, with astronomers puzzled by a surprising drop in its ...

Astronomers have discovered a perplexing trend in Neptune's atmosphere: Ever since the planet's southern hemisphere summer began almost two decades ago, atmospheric temperatures in this region have ...

image: Observed changes in Neptune’s thermal-infrared brightness, a measure of temperature in Neptune’s atmosphere. The plot shows the relative change in the thermal-infrared brightness from Neptune’s ...

Astronomers using a powerful telescope in Chile have peered into blemishes on Neptune, and called it a first for ground-based astronomy. According to ESO, this is the first time a ground-based ...