All of our solar system’s planets are lining up ... but it is fairly close. Read more This mind-blowing map shows Earth’s position within the vast universe Never is this more apparent than ...

The Oort Cloud is the name given to a theorized group of potentially trillions of icy objects on the edge of our solar system ... Oort spiral would be all-sky mapping of thermal emission from ...

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 ...