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It's easy to take it for granted that our own solar system, with one star, is the norm - but it turns out that this may not be the case.
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The discovery of a distant solar system with its planets in a seemingly impossible order has been revealed this week.
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The development of a whole new type of rocket engine could help to open up the solar system for exploration.
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Astronomers have detected an enigmatic free floating planet approximately 10,000 light-years from Earth.
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The discovery centers on a particular section of the Kuiper Belt that appears to be denser than the areas around it.
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Researchers in Ohio have developed a new propulsion system that could make traveling to Mars much quicker.
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The space rock, he argues, is extremely unlikely to have arrived in our solar system through nothing but chance.
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Astronomers have identified what is thought to be the third ever example of an object from a distant solar system.
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A passing star could disrupt the orbits of the planets and cause the Earth to be flung off into deep space.
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The previously unseen world is believed to orbit far out at a range of 838 times Earth's distance from the Sun.
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Tantalizing new evidence of this mysterious world has been found courtesy of two deep infrared surveys.
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The document pertains to a secretive remote-viewing experiment designed to gain intelligence on military targets.
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Millions of years ago, our solar system stood in the path of a veritable tsunami of gas and dust.
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Scientists now believe that our solar system may have once been visited by something very large indeed.
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The Harvard astrophysicist believes that we may find trash from alien civilizations within the vicinity of the Earth.
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The smallest planet in our solar system may be hiding a treasure with a value beyond imagination.
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One of the most unusual comets in the solar system is due to make its closest approach of the Earth today.
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This latest in a long line of ridiculous conspiracy theories is perhaps the most nonsensical one to date.
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A team of planetary scientists has found new evidence of an undiscovered planet in the outer solar system.
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A new analysis of samples collected during the Apollo 17 mission has raised new questions about the age of the Moon.