High temperatures on Monday will be well above normal, with highs in the 90s across the warmest valleys,” the National ...

Pokémon TCG Heat Wave Arena is a small but mighty set, featuring impeccable art. Here are the 10 most expensive Heat Wave Arena chase cards.

Freshwater ecosystems require adequate oxygen levels to sustain aerobic life and maintain healthy biological communities.

This Midwest and Northeast heat wave was one of the nation's most anomalous weather events. It felt like summer, instead of ...