Scientists have simulated what happens when a solar system pushes the limits of gravity and stability — and the results ...

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The early growth of the gas giant carved rings that formed primitive meteorites and shaped the architecture of the inner ...

Approximately 4.5 billion years ago, a cold cloud of gas and dust buried deep in one of the Milky Way galaxy’s spiral arms started to collapse. From there, gravity worked its magic. The cloud began to ...

In the heart of the Milky Way is a black hole millions of times more massive than our sun, but does that mean we're destined ...

Astronomers have revealed that the real center of our solar system isn't the sun. Gravity is playing a part in everything. The barycenter is the center.

Jupiter's rapid early growth dramatically reshaped our solar system, scientists now reveal. Its immense gravity acted as a ...

CAPE CANAVERAL, Fla. (AP) — Planet Earth is parting company with an asteroid that’s been tagging along as a “mini-moon” for the past two months. The harmless space rock will peel away on Monday, ...

What are the weirdest worlds in our solar system, and how did they come to be? From a dwarf planet that looks like a deflated football, to a tiny moon with cliffs taller than Mt. Everest, to the ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. The size of the solar system is defined by the volume ...