A23a weighs almost a trillion tons, and, as of August, spanned 1,418-square-miles (3,672 square kilometers), making it twice ...

Saturn’s rings are long thought to be between 100 million and 400 million years old based on more than a decade of ...

The Webb team set out to study early planetary disks by homing in on the Small Magellanic Cloud, a dwarf galaxy near the ...

The planets are putting on a subtly spectacular show in the night sky this month. Venus is becoming increasingly noticeable ...

There are planets in our universe that would give you nightmares. Planets with ice hotter than burning metal, planets that ...

Saturn's rings are long thought to be up to 400 million years old but new data finds they could be around 4.5 billion years old.

In late December, you can witness a celestial conjunction as Mars passes close to the Beehive Cluster in Cancer the Crab.