It's possibly as big as Manhattan, likely older than our own solar system, and it's traveling through space at speeds of up ...

"It's going to look different because it didn't come from our solar system and that's what makes it so magical." ...

"If our solar system is indeed moving this fast, we need to question fundamental assumptions about the large-scale structure ...

The universe is supposed to look the same no matter where you stand. That idea, known as the cosmological principle, sits at ...

NASA is unveiling close-up pictures of the interstellar comet that's making a quick one-and-done tour of our solar system.

NASA is providing more images and information about the interstellar object that's passing through our solar system right now ...

Space looks very dark from Earth. But does the solar system, and the universe for that matter, have an area that's the ...

Our solar system is speeding through the galaxy at more than three times the velocity scientists once believed, according to ...

NASA's Mars Reconnaissance Orbiter used its camera to take high-resolution images of interstellar object 3I/ATLAS. We have ...

“Our analysis shows that the solar system is moving more than three times faster than current models predict,” Böhme ...

Astronomers have revealed that the real center of our solar system isn't the sun. Gravity is playing a part in everything. The barycenter is the center.

The last in a series of three coronal mass ejections hit Earth on Wednesday, so experts are keeping an eye on geomagnetic ...