The evolution of the orbits of the planets is a complex process. Initially the planets formed out of a rotating disk of gas ...

If Brown’s hidden world is real, Rubin will almost certainly find it or strong indirect evidence that it exists. “In the ...

New observations show that newly formed planets close to a star help shepherd dust and gas to create more planets farther out ...

Massive object passing through solar system is a better explanation for nature of orbits of Jupiter, Saturn and Neptune ...

The orbits of the planets around the sun have been the source for many a scientific debate. Their current orbital properties ...

All the planets revolve around it on ... 20 astronomical units — that's 20 times the distance between the Sun and the Earth — of the solar system's center, it could explain the bizarre orbits ...

Carrying out simulations to try and discover what best explains the orbits of these objects, the team found that a model that ...

Encountering Neptune in 1989, NASA’s Voyager mission completed humankind’s first close-up exploration of the four giant outer ...

New studies offer a clearer picture of how the outer solar system formed and evolved based on analyses of trans-Neptunian objects (TNOs) and centaurs. The findings reveal the distribution of ices in ...

The research team's simulations indicate a 1 in 100 chance that an interstellar visitor could produce the orbits we see today ...