Saturn, Venus, Neptune, Uranus, Jupiter, Mars and Mercury will be visible in an uncommon planetary alignment this month.

On Feb. 18, the sun will enter Pisces and highlight everything from our intuition to the mysteries of the cosmos. This ...

“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto ...

"Pale Blue Dot" – one of the last photos taken by Voyager 1 – is still the most distant image of the Earth. Astronomer Carl ...

However, you might be surprised to know that Earth is not alone in having volcanoes – in fact, it’s beaten numerically by the ...

For a brief moment at the end of February, every planet will appear in the night sky simultaneously in a rare celestial ...