Small lakes on ancient Mars may have remained liquid for decades, even with average air temperatures well below freezing.

Two related discoveries detailing nanocrystalline mineral formation and dynamics have broad implications for managing nuclear ...

In CR’s ratings, we categorize sunscreens by application type: spray, lotion, and stick. But they can also be divided by the type of active ingredients they contain. Mineral sunscreens—also called ...

Buried in the limestone and marble of Namibia, Oman, and Saudi Arabia, scientists have found mysterious micro-tunnels, too ...