The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

The building blocks of life could have been delivered to Ceres by one or more space rocks from the outer asteroid belt.

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

Dwarf planets Pluto and Ceres are also suspected of having an underground ocean, as are some of the moons of Uranus. “We know that the presence of liquid water is essential for life,” said Ojha.

The organic material found in a few areas on the surface of dwarf planet Ceres is probably of exogenic origin. Impacting ...

As the gatekeepers to the Kuiper Belt, Charon and Pluto are a unique double dwarf planet system. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Since its discovery in 1930, the dwarf planet has revolved beyond reach, its frosty surface a blurred mystery that even the most powerful telescopes can’t bring into focus. We know about Pluto.

Opinions expressed by Forbes Contributors are their own. Jamie Carter is an award-winning reporter who covers the night sky. Computer simulations suggest that there is an undiscovered Earth-like ...

"See To Believe uncovers the forgotten, mind-blowing facts that will leave you questioning ... and the endless surprises our planet has to offer. These are the unbelievable stories you won ...

The dwarf planet is a bizarre, cryovolcanic world. However, the organic deposits discovered on its surface so far are ...

In a study published in AGU Advances, researchers from the Max Planck Institute for Solar System Research (MPS) used data ...

And then there's the dwarf planet, Pluto. If you were in school before 2006, you probably learned that Pluto was the 9th ...