"With an orbital period of 570 days, it is a relatively cold gas giant planet," said Guðmundur Stefánsson of the University ...

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's responsible for the orbits of the planets and their satellites ...

This effect occurs because the planets orbit the Sun along a path determined by gravity, known as the “ecliptic.” This imaginary line makes the planets seem closer, even though they are far apart.

An international team of scientists has confirmed the discovery of a super-Earth—a planet larger than Earth but smaller than ...

To get somewhere in outer space, you can’t exactly drive in a straight line. Orbits are tricky things, and sending a probe to ...

Astronomers may have found a star racing through our galaxy at an incredible speed—dragging a planet along with it! If ...

Super Earth is in crisis as the Meridian Singularity wipes out Angel's Venture, killing 480,000—now five more planets are in its deadly path.