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Scientists have announced the discovery of 139 new objects situated in the far reaches of our solar system.
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The long-lived spacecraft went into fault protection mode last week after unexpectedly drawing too much power.
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Scientists have identified the oldest material ever to make it onto our planet - and it even predates the Sun.
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NASA has released two new images showing interstellar comet Borisov traveling through our solar system.
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Astronomers have discovered a huge planet orbiting the burnt-out husk of a star that was once like the Sun.
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Astronomers have determined that comet 2I/Borisov could be carrying water from a distant solar system.
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NASA engineer David Burns has developed a concept for a new drive capable of reaching distant solar systems.
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Astronomers have revealed that comet 2I/Borisov is remarkably similar to comets from our own solar system.
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The undiscovered theoretical planet in the outer reaches of our solar system may actually be a black hole.
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An amateur astronomer has discovered what is believed to be a comet that has come from a distant solar system.
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Astronomers have announced the discovery of a large, potentially habitable world in a nearby solar system.
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Scientists have discovered a grain of dust left over from a stellar explosion that predated our solar system.
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In a new study, scientists have worked out that, on average, Mercury is actually closer to us than Venus.
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The discoverer of the most distant known object in our solar system has now found an even more distant one.
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Scientists have successfully identified an entirely new moon in orbit around the gas giant Neptune.
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Astronomers have identified the farthest known object in our solar system at a distance of 11 billion miles.
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Four gargantuan planets have been observed orbiting a relatively young star approximately 500 light years away.
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The important new find also hints at the presence of another, much larger planet in the outer solar system.
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Jupiter's largest moon Ganymede is producing 'chorus waves' one million times more powerful than average.
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Scientists have been studying a meteorite that dates back to a time before the birth of our solar system.