Travel like a local: Residents share their favorite places in our top city guides: New Orleans, Rome, Tokyo and Mexico City.

Unusual weather patterns and climate change have been driving stark changes in the northwestern state. Now, new satellite ...

The ranges and valleys of the Swiss Alps stand out in this image captured by the Copernicus Sentinel-2 mission in December 2024.

Winning images from the 2025 Walk of Water photo competition showcase vanishing frozen landscapes, from sparkling ice caves ...

In 2016, nearly 200 world leaders pledged to do everything possible to limit global warming to 1.5 degrees Celsius. Since ...