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

While the feds idled, an interstellar object known as 3I/ATLAS was barnstorming the solar system, at a speed that reached 153 ...

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

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

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

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

NASA has unveiled the close-up pictures of an interstellar comet that is the third confirmed object to enter our solar system ...

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

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

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

Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of ...

Study from Bielefeld finds major departure from the standard model. How fast and in what direction is our solar system moving through space? This question, though simple in appearance, plays a central ...