Hear the Haunting Echoes of Earth’s Ancient Magnetic Reversal 41,000 Years Ago [Video]

A probable crater stretching more than 370 miles, or 600 kilometers, across the heart of Australia could reshape our understanding of Earth’s geological history.

Hubble Captures a Galaxy Speeding Toward Earth in Stunning Detail

Two Far-Flung Comets Are Visiting Earth Just in Time For Halloween