The sun has erupted with a moderate M5.7 solar flare and a coronal mass ejection that could trigger a northern lights display ...

If confirmed, the rock would become just the second world past Neptune in our solar system to host an atmosphere.

The finding offers fresh insight into our solar system’s farthest, coldest objects in a region known as the Kuiper Belt.

A gradual dimming and brightening when a star passed behind it suggested the mini-Pluto was wrapped in a thin layer of air.

A rare observation opportunity revealed the presence of a thin atmosphere around a small object beyond Pluto.

This could be dangerous to the astronauts on board Artemis 2. Therefore, Artemis 2's Orion will instead enter Earth's ...

Climate scientists have discovered that microplastics and nanoplastics are helping to drive global warming by absorbing ...

The potent pollution from so-called megaconstellation satellite systems launched en masse into space since 2019 will account ...

Approximately 190 light-years from Earth, two planets circle the star TOI-1130 in a setup astronomers rarely see. One is a ...

Astronomers have discovered a thin atmosphere around a small celestial body in the outer solar system for the first time, ...

These data come from the National Oceanic and Atmospheric Administration’s Mauna Loa Observatory, which may soon be shut down ...