Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.

How Many Planets Are There in the Solar System? There are 8 planets in our solar system. The planets orbit the Sun in elliptical trajectories, and they are all different in size, composition, ...

A recent study in Icarus suggests a wandering star could disrupt our solar system. Simulations reveal that a star passing ...

The sun is unique in that it's the only star in our solar system. Up to 85% of stars have at least one companion star. The sun contains over 99% of the mass of our entire solar system.

Moving from the outer layer inward, the first layer is the corona — the outermost part of the sun’s atmosphere that is actually hotter than the sun’s surface. This is followed by the chromosphere — a ...

Three new full-dome movies will highlight the July schedule at the University of Wyoming Harry C. Vaughan Planetarium.

Science. Goodbye to our Solar System as we know it: Astronomers confirm there is a new planet orbiting the Sun beyond Pluto Science. Extraordinary discovery in the animal kingdom: dolphins ...

Its not everyday something runs away from the Milky Way, but NASA was able to captured this object with the help of ...

A possible cousin of Pluto seems to be circling the far reaches of the solar system. The dwarf planet candidate 2017 OF201 travels in a superwide orbit, with the sun relatively near one end of its ...