This strange object near the solar system's edge may be a rare example of the 3-body problem in our own cosmic neighborhood.

A weak magnetic field likely attracted matter inward, contributing to the formation of the outer planetary bodies, from ...

Early in our Solar System’s history, bits of icy debris were scattered and then gradually coaxed into a spiral alignment in ...

Floating around at the edge of the Solar System are leftovers from its formation. This is the Kuiper Belt, which is composed ...

One million alien visitors from another star system could already be lurking in the solar system. We aren't talking about ...

37,094 people played the daily Crossword recently. Can you solve it faster than others?37,094 people played the daily Crossword recently. Can you solve it faster than others?

The stars may not be aligning on Friday night, but seven planets in our solar system just may be. For weeks, outer space enthusiasts have been gearing up for a planetary alignment, or "planetary ...

Parade of planets 2025: A seven-planet alignment happens in late-February, but it could be tricky to see it The planets in our solar system orbit the sun essentially along the same line across the sky ...

Defy gravity with out-of-this-world space trivia collected from the National Aeronautics and Space Administration ...

With a sun more than 4.5 billion years old, our solar system is considered "middle-aged," and the pictures of what it might ...