A new study suggests that a tiny, icy world beyond Pluto harbors a thin, delicate atmosphere. That would make it the solar ...

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

The solar system isn’t as flat as it seems. This video reveals the hidden 3D structure surrounding our planetary plane, from ...

Keep looking up throughout the month for some amazing sights in the night sky! The nights may be getting shorter as summer ...

The presence of deuterium, an isotope of hydrogen, in 3I/ATLAS suggests the interstellar comet formed in a much colder place ...

The solar system is kind of hard to observe in motion all at once. Sometimes, it’s nice to have a little model to look at, so ...

It even has a small moon.

A giant planet circling a nearby star has given astronomers a rare look at what a colder, more Jupiter-like world can be like ...

Using NASA's exoplanet-hunting spacecraft TESS (Transiting Exoplanet Survey Satellite) and Antarctic Search for Transiting ...

We have no idea what kind of life may exist on other planets, so it’s hard to know what to look for. Proxima Kósmos imagines ...

Interstellar comet 3I/ATLAS is now on its way out of our solar system, never to return. The comet was only the third-ever detected object to originate from outside our solar system. Traveling at high ...