It appears our solar system is getting more popular with out-of-towners. Astronomers have found a third interstellar object, ...

A11pI3Z is only the third interstellar visitor to be discovered, and astronomers can’t say yet whether it is a comet or a ...

A newly discovered object, dubbed A11pl3Z, appears to be moving too fast and straight to have originated in the solar system.

An object thought to have come from another star has been seen entering the solar system at high speed, and is expected to ...

"Astronomers may have just discovered the third interstellar object passing through the Solar System!" the agency's ...

But researchers have just demonstrated that once you are far away from the planets of the Solar System, there might be a ...

"Each new detection brings us closer to understanding the origins of complex organic chemistry in the universe — and perhaps, ...

In just 10 hours of observing the night sky, the powerful new telescope detected more than 2000 new asteroids, including a ...

Phillip Barton still gets excited when he talks about the first time he saw Saturn’s rings through a telescope.

Wide-orbit planets are fairly common according to the study, and there's a good chance we have one of our own.

One of the ways that scientists study solar wind—charged particles streaming from the sun’s surface—is by observing the sun’s outer atmosphere, called the corona. But because the sun is so ...

Scientists believe a huge bubble surrounds our solar system, called the Oort Cloud. The huge bubble is the farthest region of our solar system and considered a home to “long-period” comets.