For a few evenings around 28 February, every planet in the solar system will be visible in the night sky, thanks to a rare great planetary alignment. Here's how to make sure you don't miss this ...

Interstellar material has been discovered in our solar system, but researchers continue to hunt for where it came from and ...

and deform large-scale objects and orbital paths. That said, the inner Oort cloud is affected by these galactic tides as well, albeit over a much longer time frame—like, age-of-the-Solar-System ...

leading to the establishment of a continental-scale prototype Antarctic ice sheet configuration. While the study raises the possibility of a link between the past traverse of the solar system ...

leading to the establishment of a continental-scale prototype Antarctic ice sheet configuration. While the study raises the possibility of a link between the past traverse of the solar system ...