How fast and in which direction is our solar system moving through the universe? This seemingly simple question is one of the ...

If an antimatter meteor came into our solar system, we’d definitely know about it, says one reader, especially if it hit the ...

We all have that one friend who think they're a whizz when it comes to all things space. They have astronomical knowledge about the cosmos and beyond. They can name all the planets in the solar system ...

Researchers now believe that Planet Nine — the large, distant, and still-hypothetical planet at the edge of our solar system — could be responsible for the Sun’s unusual tilt. All of the planets in ...