A strange rock on Mars is raising new questions about the possibility of ancient microbial life on the Red Planet. According ...

Poás Volcano’s intense activity—tremors, gas, and ash—prompts a ‘Precautionary’ alert as experts warn of risks at Costa ...

Scientists warn that the Alaska volcano Mount Spurr is likely to erupt soon, showering ash on Anchorage and potentially disrupting air travel.

Consider a can of soda. When the can is closed (pressurized), the soda contains dissolved carbon dioxide (CO2). When you open ...