Spectacular clouds swirl across the surface of Jupiter. These clouds contain water, just like Earth's, but are much denser on ...

Why don't planets fall into the stars they orbit if they're constantly being pulled by gravity?Lindsey CoughterRocky Mount, ...

Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through ...

Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through ...

Jupiter currently shines as a brilliant silvery "star" in the constellation Gemini the Twins, low in the east-northeast sky ...

At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. Yet new research reveals the ...

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune ...

You're not imaging it. The sun has been rising later in Illinois following the winter solstice. But the days aren't getting ...

A rare triple conjunction of Venus, Mars and Mercury is happening on the opposite side of the solar system to where Earth is, ...

"The combination of extreme disk size, strong asymmetries, winds, and potential planet formation makes it the perfect ...

Now, a new Nature study points to an answer by catching four planets at a stage most systems never show us: The awkward, ...