The planet Neptune has a large dark spot "with an unexpected smaller bright spot adjacent to it," inveru observations using ...

It's been one Neptunian year—or about 165 Earth years—since astronomers first observed the most distant planet from the sun.

Astronomers have spotted an intriguing cluster of objects in the Kuiper belt, an enormous, donut-shaped region of icy objects ...

"Similar to the asteroid belt, the Kuiper Belt is a region of leftovers from the solar system's early history. Like the ...

In Mrs. Wescott’s eighth-grade earth science class, a betta fish named Neptune is both a lesson and a little relief. “Well, I ...

Scientists have long assumed that, like rocky planets such as Earth, sub-Neptunes begin with molten magma oceans. Their thick ...

Using Google Earth as our guide, we retrace Operation Neptune Spear by mapping the key locations and movements that defined ...

What can sub-Neptune exoplanets teach astronomers about finding life beyond Earth? This is what a recent study published in ...

Astronomers recently detected a stray quasi-moon in our planet’s orbit, but it's hardly the first stowaway to hang out around ...

A vast region of our solar system, called the Kuiper belt, stretches from the orbit of Neptune out to 50 or so astronomical ...

A newly discovered cluster of objects called the “inner kernel” of the Kuiper belt could teach us about the early history of ...

Where will we first find life beyond Earth? This is what a recent study published in The Astronomical Journal hopes to ...