The challenge is to find forests with both strong climate-growth relationships and trees over a century old — substantially ...

Scientists in the US have solved a century-old puzzle that could fast-track the development of powerful, longer-lasting ...

Trees form a ring of wood every year, and the width ... understanding of past moisture patterns across the east coast of North America. It fills a large gap in climate research based on tree ...

Another, lesser-known repeating pattern in solar activity is the Centennial Gleissberg Cycle (CGC) — a variation in the intensity of sunspot cycles that rises and falls every 80 to 100 years.

Another, lesser-known repeating pattern in solar activity is the Centennial Gleissberg Cycle (CGC) — a variation in the intensity of sunspot cycles that rises and falls every 80 to 100 years ... at ...

Phoenicians can expect to enjoy cooler temperatures before near-normal, warmer temperatures return at the end of the week.

A large, slow-moving omega block weather pattern is causing unusual weather ... about 20 degrees below normal for this time of year." The system will bring unsettled weather conditions to much ...

While the eastern United States continues to shiver under a raw, damp weather pattern, much of the West is seeing record-breaking warmth.

From regulatory rollbacks to coal resurgence, here are some of Trump’s most consequential actions since January 20.