A recent study published in Science Advances suggests that Neptune’s moon Nereid may be the last surviving original moon of ...

Our solar system is a weird place. Much more than a home to eight planets, it’s filled with a myriad of fascinating other smaller bodies, including moons, asteroids, and comets. In recent decades, ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

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 ...

The standard story of the origin of our solar system has gone like this: 4.6 billion years ago, a giant cloud of dust hung frozen in space. Then the explosion of a nearby star caused part of that dust ...

Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically different from anything known to have ever formed around our sun ...

Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with ...

A newborn planetary system is forming around HOPS-315, a protostar (one that recently formed) that sits some 1,300 light-years away in the constellation Orion the Hunter. This star isn’t in the ...

NASA has always strived to solve the intriguing mysteries of space. The organization's Voyager mission, launched in 1977, was also a step in that direction, according to IFL Science. The mission's ...

Despite what you may have heard or learned in school, the sun is NOT the center of the solar system. Despite what you may have heard or learned in school, the sun is NOT in fact the center of the ...

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Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. An object has been discovered orbiting the sun far beyond ...