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 ...

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

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

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

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

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 ...

The solar system is made up of the Sun (our nearest star) and the objects that orbit around it, including planets, asteroids and comets. Planets orbit the Sun in roughly circular paths ...

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 ...

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 ...

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 ...