Other stars may be able to host more than our own solar system's solitary habitable world, a new study suggests.
A stunning new image of the solar system's largest planet was put together from hundreds of shots.
Scientists have announced the discovery of 139 new objects situated in the far reaches of our solar system.
Scientists have identified the oldest material ever to make it onto our planet - and it even predates the Sun.
NASA has released two new images showing interstellar comet Borisov traveling through our solar system.
Astronomers have determined that comet 2I/Borisov could be carrying water from a distant solar system.
NASA engineer David Burns has developed a concept for a new drive capable of reaching distant solar systems.
Astronomers have revealed that comet 2I/Borisov is remarkably similar to comets from our own solar system.
The undiscovered theoretical planet in the outer reaches of our solar system may actually be a black hole.
An amateur astronomer has discovered what is believed to be a comet that has come from a distant solar system.
Astronomers have announced the discovery of a large, potentially habitable world in a nearby solar system.
Scientists have discovered a grain of dust left over from a stellar explosion that predated our solar system.
The discoverer of the most distant known object in our solar system has now found an even more distant one.
Scientists have successfully identified an entirely new moon in orbit around the gas giant Neptune.
Astronomers have identified the farthest known object in our solar system at a distance of 11 billion miles.
Four gargantuan planets have been observed orbiting a relatively young star approximately 500 light years away.
The important new find also hints at the presence of another, much larger planet in the outer solar system.
Scientists have been studying a meteorite that dates back to a time before the birth of our solar system.
The huge object is 12.7 times the mass of Jupiter and has a magnetic field 200 times more powerful.
A large Earth-like world has emerged as the most likely place to look for life outside of our solar system.