Astronomers have discovered what seems to be a star racing through the Milky Way at 1.2 million mph, dragging a Neptune-sized ...

Non-mixing layers of water and hydrocarbons thousands of miles deep could explain the icy planets’ strange magnetic fields.

The four planet-strong "planet parade" currently visible to the naked eye in the night sky for a short time after sunset will ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...

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Video shows what could happen if 'city-killer' asteroid hits Earth in 2032.

Neptune is one of the most mysterious planets in our solar system, with its deep blue color, intense storms, and extreme winds. When Voyager 2 flew past Neptune in 1989, it revealed jaw-dropping ...

In 2011, a project that surveyed the Milky Way galaxy for exoplanets — which are planets beyond our solar system — spotted an ...

NASA said the system is thought to be moving at least 1.2 million miler per hour, nearly twice as fast as our solar system.

In a celestial event known as a great alignment the five planets will be discernible with the naked eye, but to see Neptune ...

Astronomers at NASA have caught a glimpse of a star system whipping through space at an unprecedented speed. While the system ...

On this day 35 years ago, NASA's Voyager 1 spacecraft took a picture that changed how we see our planet. The iconic "Pale ...