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

The inner core of Earth may have changed shape in the past 20 years, according to a group of scientists. The inner core is ...

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

Scientists found an intriguing world in our galaxy.

The building blocks of life could have been delivered to Ceres by one or more space rocks from the outer asteroid belt.