A strange mineral found in a meteorite does not behave like anything on Earth — and when it's heated, it acts even weirder.

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and Callisto (in that order). Credit: Space.com | footage credit: ESA/DLR/FU Berlin ...

The Griffith Observatory in California had a great view of the Mars-Moon occultation. See the Red Planet slip behind the moon ...

By studying the leopard-like spots on rocks from Earth and Mars now, scientists will be ready to analyze returned space ...