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, ...

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 ...

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, ...

Pluto, once considered the ninth planet, was reclassified as a dwarf planet in 2006 because it shares its orbital path with ...

Among other things, the James Webb Space Telescope is designed to get us closer to finding habitable worlds around faraway ...

Pluto's days, though they drag on a bit at around 153 hours, are nothing compared to its years. Pluto's orbit takes 248 Earth ...

Within a few dozen light years of the Sun, the sky is crowded with stars that could, in principle, host living worlds. I want ...