Antarctic Seals Vocalize in Ultrasonic--but Not for the Usual Reason

Scientists discover the reason for unexplained activity on Mars - One piece of evidence for this activity is the fact the Martian landscape regularly experiences a form of natural disaster which, here on Earth, has the potential to level cities and block roads: Landslides.

A Mineral That Keeps Showing Up on Mars Has Been Found Deep in The Antarctic Ice

Martian mineral, rare on Earth, found locked in Antarctic ice