Mercury takes only 88 Earth days to orbit the sun.

The team carried out 50,000 simulations of such events, using computer models of the four outer planets, each over ... past Uranus' orbit and some even grazed Mercury's path and they ranged ...

New insights into the extreme conditions behind "disintegrating planets" reveals how they are consumed by the heat of their ...

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

Long ago, a planetary object eight times the mass of Jupiter may have once visited the solar system and altered […] The post ...

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

There are eight planets in the solar system, and each travels on its own path around the sun. But of these planets, which is nearest to the sun? Mercury is a strange little world. There are some ...

Six planets are lining up in a row from our Earthly view of the cosmos, in a spectacle that'll be visible in January through to February.

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ... planets, the team carried out 50,000 simulations of such flybys, each ...

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.