A giant wave of undulating gas and dust appears, per new research, to have engulfed our Solar System millions of years ago.

The Oort cloud is a shell of icy objects that forms the very outskirts of our Solar System. Recently, a group of researchers discovered that the inner portion of the Oort cloud likely has spiral arms ...

Now, twin studies published in the journals Nature and Nature Astronomy are writing the next chapter ... hold were widespread across the early Solar System. “NASA’s OSIRIS-REx mission already ...