The gaps and stringy fibers in these space rocks sure look like bacteria, and a NASA researcher has caused a stir with claims that they’re fossils of alien life. But as NASA found 15 years ago, looks ...

A stunned homeowner got a rude awakening when a meteorite smashed through the roof of his house. A fragment of the space rock pierced the roof as it fragmented when it fell to earth. The celestial ...

Variations in its crystal structure could help researchers better understand how lunar minerals form and evolve under extreme ...