Winter means a lot of indoor time, and I've learned that science experiments are a lifesaver on those long, cold days. The best part? You don't need anything fancy. Baking soda, vinegar, food ...

Scientists have cracked a long-standing Martian mystery. Those seasonal gullies on sand dunes that everyone thought were made by water. Turns out, carbon dioxide (CO₂) ice, or dry ice, is the culprit.

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. Marcus Purtzki's ...

Nearly invisible and deceptively thin, this ice is one of winter’s deadliest hazards. Here’s how it forms and why it causes thousands of accidents each year. A woman tries to regain balance in icy ...