Eight distant worlds hold secrets that still puzzle scientists and spark endless curiosity. Each moon offers a strange allure ...

In the early 1980s, two Soviet-era missions, Venera 13 and 14, measured sound waves on Venus, producing a measurement of wind ...

A snowy Friday night may hide the stars over central Wisconsin, but the week ahead still offers plenty to see: Saturn’s ...

The long nights of December are an astronomical delight. The early evening sky hosts Saturn as the main feature, along with ...

Find out what's up in your night sky during December 2025 and how to see it in this Space.com stargazing guide.

Look to the southeastern horizon in the hours following sunset on Nov. 29 — you'll be able to see the moon shine close to the ...

If it feels like the last month of the year has kicked off on an especially dramatic note, you’re simply feeling the vibes of ...

Get ready stargazers, the final full moon of 2025 rises tonight! Here's what to expect when the "Cold Supermoon" looms large ...

A new study reveals how shifting ice shells on icy moons can cause dramatic pressure changes, sometimes enough to boil their hidden oceans. The outer planets of our Solar System are accompanied by ...

Despite their liquid water and potential for habitability, these moons are very different environments from Earth. On Earth, ...