How fast and in which direction is our solar system moving through the universe? This seemingly simple question is one of the key tests of our cosmological understanding. A research team led by ...

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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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Our solar system is mostly arranged along one plane in space, as in this not-to-scale artist's diagram. NASA/JPL, CC BY If you've ...

If you’ve seen illustrations or models of the solar system, maybe you noticed that all the planets orbit the Sun in more or less the same plane, traveling in the same direction. But what is above and ...