A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

Interstellar comet 3I/ATLAS is just the third such object ever confirmed to have entered our solar system. It has attracted ...

People think they've found Martian images of interstellar object 3I/ATLAS on NASA's website. They might be right.

A team of astronomers has attempted to track the path of interstellar object 3I/ATLAS back into the past, tracing its path ...

From GPS to innovations in computing and optics, technologies developed for space research at UC Santa Cruz touch nearly every aspect of modern life.

Voyager 1 has been exploring the cosmos for decades, but when it reached the edge of the solar system, it found something very strange and very hot.

There are quite a few other places we might find life in the solar system, including dwarf planets like Ceres. Ceres is ...

Comets SWAN and Lemmon will both swing by Earth and appear bright in the sky near the end of October. Here’s how to see them.

Asteroid ‘Families’ Reveal Hidden Histories and Impact Risks across the Solar System ...

Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its ...

For generations, we’ve repeated the same facts about our Solar System — but many of them are wrong. This film uncovers the biggest misconceptions science has already corrected.

The discovery of the Kuiper Belt fundamentally reshaped our understanding of the solar system's architecture and population, revealing a far larger and more complex system than previously imagined.