Earth is the third planet from the Sun and the only astronomical object known to harbor life. According to radiometric dating and ot...

It takes sunlight an average of 8 minutes and 20 seconds to travel from the Sun to the Earth. If the Sun suddenly disappeared fro...

When a 9.91 magnitude earthquake caused a tsunami in 2011 it overwhelmed the existing safety features of the Fukushima Daini Nuclear...

Colorado's only active volcano has been listed as a moderate threat in a new report. But geologists say don't worry, it...