The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

A new study claims it is possible an "alien visitor" could have warped our solar system during its earliest years.

When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in ...

A new study in astrophysics has found why some planets’ paths have certain peculiar features. The formation of the solar ...

Further simulations on flybys into the inner Solar System revealed one of our own planets might be flung out of the ballpark ...

The planets in solar do not have circular orbit around the Sun ... the key to understanding the peculiar orbits of the solar system's giant planets, according to new research published on the ...

A new study suggests that a close encounter with a massive interstellar object, possibly eight times the mass of Jupiter, may ...

Emily Simpson, a passionate space enthusiast and recent Florida Tech graduate, has published groundbreaking research that imagines an alternate version of our solar system. Instead of the asteroid ...

Emily Simpson has loved space since she was a 10-year-old kid celebrating her birthday at a planetarium. Now a recent Florida ...

A planet-sized visitor possibly visited the solar system billions of years ago and permanently changed the cosmic neighbourhood by warping the orbital path of four outer planets of the system, a ...

However, none of the eight planets, including Earth, have perfectly circular orbits ... matches dove straight into the solar system, traveling way past Uranus' orbit, with some even grazing ...